Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e1816a929379754…

MALICIOUS

PDF

59.2 KB Created: 2020-08-08 02:10:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7be1467bd708f3d8d6f3e497e456b7e0 SHA-1: 80b916d72d2fa05a665ae86c0219382307ee73e5 SHA-256: 4e1816a929379754bd9465835359adcc197a19f75339d8ef879d68b30469024d
194 Risk Score

Malware Insights

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

The PDF file contains multiple embedded URLs, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=rental+agreement+template+free+pdf'. Another heuristic indicates a large number of external PDF links, suggesting a link farm. The document body, though partially corrupted, contains references to the redirector URL and other Shopify-hosted PDF links. No scripts were extracted, but the presence of a malicious redirector strongly suggests a phishing or malware delivery attempt.

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/pify?keyword=rental+agreement+template+free+pdf In PDF document text
    • http://files.anandahairlounge.com/uploads/1/3/1/8/131872273/e42127c7.pdfIn PDF document text
    • http://puxuzi.suburbanhennepinhousingcoalition.com/uploads/1/3/1/8/131871390/8d033dd16b.pdfIn PDF document text
    • http://files.dagazliving.com/uploads/1/3/2/6/132682974/89ff3f38f0dd.pdfIn PDF document text
    • http://files.frankdrake.org/uploads/1/3/1/6/131606094/8756593.pdfIn PDF document text
    • http://files.saydellittleleague.com/uploads/1/3/1/3/131384383/b5829.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8986/0510/files/kotor_2_robes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8937/9993/files/sakapakujakezezimofavu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3510/7233/files/3978118488.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6176/3480/files/fulemutewisidikivejakopud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9923/5228/files/27439265228.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5572/4197/files/ap_cabinet_ministers_2020_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7253/4168/files/comment_runir_plusieurs_pages_en_un_seul_document.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6258/2693/files/furegepimugevemowefovori.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0006/9283/files/42410927701.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9313/1425/files/samotedulalaxiluvepesi.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_off00009d01.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9D01 4820 bytes
SHA-256: 059293c0529c867e84d5153d1e6ad48e8368d77e706b8c83b6ea482a3e2abe41
font_01_sfnt_off0000ad49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAD49 10604 bytes
SHA-256: a2c0672bc8b3e7ea4b71439475e6abc1e69e5115d2f9e6ad105bd45d7fd80ba3
font_02_sfnt_off0000d143.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD143 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2