Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2f0406654ae3cda…

MALICIOUS

PDF

72.1 KB Created: 2020-07-27 15:29:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3c3bd8899c61d36961f93581e638a480 SHA-1: b0058d96b6d19e0ae8ce8eef846655bb99a6b5d8 SHA-256: e2f0406654ae3cda7dbb353c91391de95dc9071b64f7241fa0f537f3726225e8
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm and a specific redirector URL that is flagged as malicious. The document body, though heavily obfuscated, suggests a lure related to 'Bihar board class 11th admission form'. The primary attack pattern involves redirecting the user to malicious infrastructure via the embedded link, likely to host further malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.ru/pify?keyword=bihar+board+class+11th+admission+form In PDF document text
    • http://files.beewedapp.com/uploads/1/3/1/0/131070602/palanedo-pidari-nusumexokatanev-nawepusowis.pdfIn PDF document text
    • http://files.agrowingplace.ca/uploads/1/3/0/7/130738921/429740.pdfIn PDF document text
    • http://files.vicksburgartassociation.org/uploads/1/3/2/6/132695586/resatajalasujupebo.pdfIn PDF document text
    • http://files.sidemountainspecialtyfoods.com/uploads/1/3/1/0/131069819/guzef.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0799/1208/files/525616255.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1983/7345/files/81048827674.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1943/6185/files/96860702929.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5322/7936/files/mawujuba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8709/4177/files/nogupud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4443/7142/files/getovogowosepulakijibena.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1411/1903/files/5885209466.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2422/0321/files/83896590349.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9851/4343/files/3627210069.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7949/9940/files/dofasidepelif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3705/6414/files/podenid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2811/9706/files/kozunipufuxovojutekebuxa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4646/9793/files/49132558061.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000894c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x894C 5172 bytes
SHA-256: 3649947cfd6de36434f5f6446e27a35f452e290386c224adbea6802a87a97efc
font_01_sfnt_off00009aaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9AAA 3720 bytes
SHA-256: b91f3c26f37c28538ed09035cbea6f9221827f1e30b50c452f08cc820bcc167b
font_02_sfnt_off0000a605.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA605 5684 bytes
SHA-256: ba3d498fb0265f06a5e059d6578b2446085df1d7fc6bf2db694160321929a8d7
font_03_sfnt_off0000b5a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB5A7 10272 bytes
SHA-256: 1c6b880ec51d5f9ff4b9462b7c3c2e5004500641ef63252c6caec421de6dd061
font_04_sfnt_off0000d8f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8F1 16696 bytes
SHA-256: 57985312c2126316f317fe38bbbe12f17fafe175f2604ad106bdde9bcb1784c9
font_05_sfnt_off0000f05e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF05E 10484 bytes
SHA-256: 84d15b92e58b4eaa6cec523434250d0e17dbd9e30bd1b5ba48c83f414d44e964

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