Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbfa3e123ad44749…

MALICIOUS

PDF

43.8 KB Created: 2020-08-21 21:08:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 44e080ad06fea0742a16352bf22ec1fd SHA-1: 13367c556389fab50df5320712524a009dfdb6a0 SHA-256: fbfa3e123ad447498cf96a7093b94298c83f34affd24534f3cccddd3d93cd414
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, indicating a link farm. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=bolne+wala+mike++karna+hai'. The document body contains garbled text and the same redirector URL, suggesting the primary purpose is to direct users to malicious infrastructure. No scripts were extracted, limiting the analysis of further stages.

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.ru/pify?keyword=bolne+wala+mike++karna+hai In PDF document text
    • http://bavuli.personalpilatesma.com/uploads/1/3/0/7/130739235/d91eb7bf6b.pdfIn PDF document text
    • http://nurufe.petesenoffphotographics.com/uploads/1/3/1/4/131408899/belawaseman.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/1/0428/5592/3878/files/xejojanofunomeneged.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8651/9197/files/energy_income_partners_performance.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9928/3863/files/dakebawobu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/4797/1990/files/apocalypse_rising_scripts.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9948/8410/files/berulavijabejomig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8974/0441/files/68543951908.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0813/8150/files/43891858290.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8692/0347/files/bedovopen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/2253/8136/files/bsnl_up_east_prepaid_tariff_plans.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9833/9496/files/fomubejaror.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0465/3291/9446/files/jaxasagesenuwovo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4270/8378/files/hablar_conjugation_in_yo_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3771/2806/files/suvuz.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005a91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A91 4952 bytes
SHA-256: 8b07a7059c887635dd41ab3a84f303c30c0733ab6026438dfc3ed7623fc7dbb7
font_01_sfnt_off00006b4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B4B 10100 bytes
SHA-256: 414534ba1c5b2579d94d7df11b11344a11fef1726e4e2b11ccf9cfbc3ec5360d
font_02_sfnt_off00008e03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E03 16036 bytes
SHA-256: 9559dd1bd908241551916101fda3d445a26f5c4b506a1423f23393456f9d5940