Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b0701648ffbe05f…

MALICIOUS

PDF

117.6 KB Created: 2020-08-12 13:25:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3bd02eb8070696c0d3e2417baad1b6a4 SHA-1: a7259c10fa2bfdcc1c5a9a33267b9d0450a43989 SHA-256: 2b0701648ffbe05ffc59ef9f6e8cb83fdc1b662ca8e251553be3d48927df4b4d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of external links, many of which are generated for SEO purposes, indicating a link farm. One prominent link, disguised as a 'pregnancy diet plan in telugu pdf', redirects to a known malicious domain (ttraff.com). This suggests the document's primary purpose is to redirect users to malicious infrastructure, likely for further exploitation or phishing. No scripts were extracted, and the document body is heavily obfuscated.

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.com/wb?keyword=pregnancy%20diet%20plan%20in%20telugu%20pdf In PDF document text
    • http://rukegev.moniquesamonephotography.com/uploads/1/3/1/3/131398020/lozivugilalujimef.pdfIn PDF document text
    • http://files.mariapapapostolou.com/uploads/1/3/1/1/131164100/dufuwudibaz.pdfIn PDF document text
    • http://jasukaso.honeyandgazelle.com/uploads/1/3/0/7/130775432/58258.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/1/0437/3177/9745/files/acid_bases_and_salts_class_9_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4444/5092/files/microsoft_excel_2020_formulas_list_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1528/1568/files/orthodontic_brackets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1265/1170/files/single_variable_calculus_rogawski_3rd_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5068/6874/files/42344860613.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/banefidofekadozimodomi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9358/0189/files/85857818660.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6403/3429/files/zekeliraduradubutaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4979/4213/files/ziwinomozudexojaror.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2784/0675/files/6970386483.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8977/2187/files/27578379966.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2611/0885/files/fiba_basketball_rules_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0781/8398/files/91451130740.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001020d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1020D 5248 bytes
SHA-256: ef5df55c055d8b5260a40b05ee7ce98f3be6ad8fd1bab5bccb81f53bfc499cc1
font_01_sfnt_off000113f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x113F3 79328 bytes
SHA-256: 74b7d1d99637e54654acb05077f87ba932e85b4271eb4c0b8c4b140ec5c33d23
font_02_sfnt_off00019987.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19987 14508 bytes
SHA-256: b8ac45ab946cb3b1881166232f98eeb67ac7dcde2b7195e4a3efbd86f973eddd