Malicious PDF — malware analysis report

Static analysis result for SHA-256 e68912f363f8b16c…

MALICIOUS

PDF

45.5 KB Created: 2020-08-08 02:33:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: eade618cdb0a060428874ce14b9ffac1 SHA-1: 7562d91c2c5c285abb055f40ee63697f2522e15e SHA-256: e68912f363f8b16c873ae07966ecbed52c21d53fa9b028ca1480e0f76a7678cf
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL, 'https://ttraff.com/pify?keyword=decode+base64+to+pdf+javascript', suggests a lure related to technical manipulation to entice clicks. The document body, though heavily obfuscated, contains this URL and other links pointing to Shopify domains, some of which are confirmed benign while others are unknown. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent, likely to redirect users to a phishing or malware distribution site.

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=decode+base64+to+pdf+javascript In PDF document text
    • http://files.westendjiujitsu.com/uploads/1/3/1/6/131636689/1082198.pdfIn PDF document text
    • http://files.simplyscrunchyeg.com/uploads/1/3/1/0/131070151/tujadevesugigogujuz.pdfIn PDF document text
    • http://files.eastcoastspeedwaytv.com/uploads/1/3/0/7/130776673/laropuzaso_vakinulife_bitogazo_fojuvasusox.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/1/0432/4114/4483/files/57812217732.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8907/5102/files/nepemezimulimasizaroba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4375/7992/files/8915784211.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4324/9563/files/64949280722.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3241/0272/files/blink_182_discography.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2951/0814/files/business_card_creator.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6653/0719/files/accidentes_de_transito_en_el_peru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7235/4459/files/catalina_island_fishing.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4684/6107/files/kifow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0443/9392/2726/files/adobe_printer_queue_not_clearing.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3748/1365/files/widuxedeje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7683/7785/files/lotexamugozuvavobifeduzo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0408/4899/files/kfor_weather_radar.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_off000065bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65BD 5316 bytes
SHA-256: 5f719a7fe8aea701c5dbb1ed898d2203c3d2d60236b0d08855dad04a719978ce
font_01_sfnt_off000077f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77F4 10128 bytes
SHA-256: c88d3835c851c01973a95c38e2a362679fdb7502150940f0c398184ea2cb704a
font_02_sfnt_off00009aac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9AAC 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176