Malicious PDF — malware analysis report

Static analysis result for SHA-256 e97e41ba2a9a1297…

MALICIOUS

PDF

42.7 KB Created: 2020-08-04 21:06:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3a35619f37a2844e6949528d3071057d SHA-1: 76605b9393cd4231665cd19628f20b7c4780ef43 SHA-256: e97e41ba2a9a129736ad32a41c9234fec051d539dcd70ad70313d71fe1248864
194 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many of which are hosted on Shopify domains and appear to be SEO-optimized lures. One critical heuristic identified a link to a known malicious redirector infrastructure at https://ttraff.cc/pify?keyword=contrastive+analysis+articles+pdf. This suggests the document's primary purpose is to drive traffic to malicious sites, likely for phishing or malware distribution.

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=contrastive+analysis+articles+pdf In PDF document text
    • http://files.uprisingstarsinc.org/uploads/1/3/1/3/131379045/gowofikur.pdfIn PDF document text
    • http://files.evdccs.com/uploads/1/3/0/7/130775768/478e8aa0a330.pdfIn PDF document text
    • http://files.thevivaciouslivingcompany.com/uploads/1/3/1/4/131437655/sojupubujew.pdfIn PDF document text
    • http://files.jaxscakesnbakes.com/uploads/1/3/1/0/131071249/gemivulowebesu.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/1/0435/2137/6410/files/5280263328.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1321/8210/files/tumenetiravidixewir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1024/3229/files/wejoziwi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0801/6027/files/gipomukunuzotuzalemolula.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1418/5372/files/muduneb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6495/8879/files/39279318229.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6636/8935/files/shimano_altus_fd_m310.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0006/0310/files/gewafagadirirevipel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3034/7938/files/6530540637.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/doworefobose.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5107/2153/files/project_management_a_managerial_approach.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9427/0371/files/61450975487.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0657/4238/files/furawepi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9127/0563/files/49977813504.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 8

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_off00006980.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6980 5216 bytes
SHA-256: b9881ed2a1014254d0250c807b9a6ebe14957ed9301d07baa83108b9b7dd7859
font_01_sfnt_off00007b5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B5A 10216 bytes
SHA-256: 80823aec72beb04bd2250c4c2985d4fe71f6904876bd991f0a28e4eb6bcb566b

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