Malicious PDF — malware analysis report

Static analysis result for SHA-256 577c43d6b5b82e15…

MALICIOUS

PDF

43.5 KB Created: 2020-08-20 22:00:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 518da7a1d03f3343b2feb733c6ce95d6 SHA-1: ac5f9c49558fabb81c575b8e0ce3ce08076d3067 SHA-256: 577c43d6b5b82e151368994561beebaacb2f5939efec410054127fc82ab34b3d
202 Risk Score

Malware Insights

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

The PDF file contains a lure related to 'Egyptian cotton bath sheet 800gsm' and embeds a large number of external links, many of which point to a link farm hosted on Shopify. The primary malicious link redirects through 'ttraff.cc', a known malicious redirector. This suggests a phishing or scam attempt designed to lead users to malicious content through a chain of redirects and obscured links.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=egyptian+cotton+bath+sheet+800gsm In PDF document text
    • http://files.menashastrong.com/uploads/1/3/1/4/131407552/sejofosodaxezi.pdfIn PDF document text
    • http://files.pilgrimageoffaith.org/uploads/1/3/1/4/131409074/bupezil_ferikezi.pdfIn PDF document text
    • http://gariganij.antoinetteducheinlagrone.com/uploads/1/3/0/7/130775388/8417901.pdfIn PDF document text
    • http://files.fivelakescabinetry.com/uploads/1/3/2/6/132681891/liduneteg.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/1/0439/5443/8302/files/ncr_and_npr.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9991/2344/files/d3_infernal_machine_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2562/0374/files/interjection_worksheet_questions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7967/7590/files/how_do_i_improve_my_discord_server.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7155/3188/files/rig_veda_in_odia_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6978/3720/files/sakatodof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7133/2767/files/wapiriwotalomepivisuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kevesuladufutaniwor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3293/6605/files/loletu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4729/5898/files/57567701400.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0195/3952/files/graphic_designer_resume_template_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6181/3152/files/koxokotudofefiwoxa.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_off00005bac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BAC 5540 bytes
SHA-256: 29d5ad85a200b4820d367c269bc2f29f397503f992d439f596592eca82b28839
font_01_sfnt_off00006e57.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E57 10724 bytes
SHA-256: dbea58987affd53bb9c0eb3ec429e79e919900e6e82bcdbcf0e48ece546559b4
font_02_sfnt_off00009285.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9285 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361