Malicious PDF — malware analysis report

Static analysis result for SHA-256 89f8dd54d2cdbf23…

MALICIOUS

PDF

33.2 KB Created: 2020-08-02 13:33:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: afd34b5a3860ae69ff54ae4c881190ba SHA-1: 14416591461db4f920cb33982be88feac100c38d SHA-256: 89f8dd54d2cdbf231357e2f3290562bea6815e0963a6836a6be3d6f40ab41fb5
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, includes text related to a '2000 mercury cougar repair manual pdf' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating a coordinated effort to drive traffic to potentially harmful content.

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=2000+mercury+cougar+repair+manual+pdf In PDF document text
    • http://files.mondaymorningpositivity.com/uploads/1/3/0/7/130775279/nonitiji_nexigawo.pdfIn PDF document text
    • http://files.tylerdiscoverslife.com/uploads/1/3/1/8/131871622/bopukigigo_pabix.pdfIn PDF document text
    • http://files.alexvietti.com/uploads/1/3/1/3/131384604/6922429.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/1/0434/5918/2745/files/12122343291.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6601/5400/files/satyanarayana_swamy_vratham_in_telugu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5238/3902/files/depenolunir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6780/8667/files/98454803591.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9966/7099/files/kizalokadozifiji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7602/6522/files/lepun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0714/8185/files/mini_boxes_cox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4349/5841/files/vileg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3576/9497/files/96019652826.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1149/7366/files/tijen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8131/1132/files/65458413534.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3869/3797/files/25692085479.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8157/3279/files/buwov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4313/5393/files/download_video_from_webpage.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

Related samples 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000450c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x450C 5576 bytes
SHA-256: 67e70dbeadb362c7fe751ca595e88ad94abc0eba3fc10ee023f833e689e09c6b
font_01_sfnt_off000057f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x57F6 9400 bytes
SHA-256: 6451542c64c26653a4d5edc204b168b5380d8d4917aac238796d360882082963

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