Malicious PDF — malware analysis report

Static analysis result for SHA-256 c85e97f994b4e271…

MALICIOUS

PDF

48.7 KB Created: 2020-08-22 09:41:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cea875384a3a451bb51e9869a0a9d510 SHA-1: e2e8b436af8fdd87b6c2bcdd5c2b978c8b10433f SHA-256: c85e97f994b4e27194a96d9b3a841b9a08944bb3ff14855ad8ce59dc1142ea33
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a link that redirects to a malicious URL, identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, contains text suggesting a lure for a video song, and also includes the malicious redirector URL. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.cc/pify?keyword=yamla+pagla+deewana+new+video+song In PDF document text
    • http://genudek.mnrpcv.org/uploads/1/3/0/7/130776485/7a413da0cf43.pdfIn PDF document text
    • http://files.oregonwaterpolo.org/uploads/1/3/0/7/130775551/jegewaxanen_nidibepa_ludomuved_nogikitu.pdfIn PDF document text
    • http://files.newelca.org/uploads/1/3/1/1/131164081/9116296.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1338/9992/files/hindu_holy_books_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4754/2175/files/abcd_2_movie_song_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8855/9782/files/advanced_language_practice_vince.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4315/8166/files/lukodal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9977/5381/files/1875031860.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8085/2383/files/gajawilixo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3108/4708/files/badevolifugelepofom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2956/9434/files/poziwizuned.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4272/5275/files/togodaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3729/4741/files/bixanikutogeriko.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0621/3789/files/21627422578.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5341/4565/files/ledubikikeram.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0465/0129/8334/files/21115893870.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://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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006941.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6941 5296 bytes
SHA-256: a1cf2d97d6e17f72c9b5c34171bc04d6f89712c0f34ce1259674d33f8bb6c8f3
font_01_sfnt_off00007b54.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B54 10724 bytes
SHA-256: f15212227003b870a84147d7a8bca9eefb983a39cdaa203f7dfbe94570e01f2e
font_02_sfnt_off0000a03e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA03E 16164 bytes
SHA-256: 6e3fbd491d8b71441998836ddca0d0c102716a221ea14f8143929167ad9a79b3

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