Malicious PDF — malware analysis report

Static analysis result for SHA-256 eada584ed29551f4…

MALICIOUS

PDF

44.5 KB Created: 2020-08-20 07:56:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 77135fa2dfb0e1a01bc4e9e2b7e00556 SHA-1: fa33bd9c569902baa58c54ceb755e642869ddf01 SHA-256: eada584ed29551f41a1470d531bae4af9e5be9399ebfa533d463418d3dab1ddb
194 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded URLs, with a critical heuristic identifying a malicious redirector link. The document body, though partially corrupted, includes the same redirector URL and a benign-looking Shopify URL, suggesting a lure. The primary purpose appears to be directing users to malicious infrastructure via the embedded links.

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.cc/pify?keyword=appointment+of+secretarial+auditor+form In PDF document text
    • http://tasigeba.chelseadianephotography.com/uploads/1/3/1/6/131606490/fdf88c6c046.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/1/0444/2423/3126/files/tell_me_about_yourself_answer_for_experienced_software_engineer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1811/7543/files/22489890926.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6081/2190/files/brche_krzen_6_klasse_bungen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0461/5066/files/49079685069.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4963/2412/files/66164699881.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pesaveput.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5852/7394/files/sirivagev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/1892/3686/files/poxazisatojojow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8864/2197/files/56387789413.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8386/6007/files/29604397674.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6395/7914/files/28594188000.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_off00006266.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6266 5172 bytes
SHA-256: df2c040a83ba29dae080fa56783ebe0f45a84e935b7e4401ae1d3390c6687c5e
font_01_sfnt_off000073d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73D7 10236 bytes
SHA-256: d07dec8d843218fd41f730cba68c68d3413b3c0b146e13a2cd27162b087e9b52
font_02_sfnt_off000096e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x96E8 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f