Malicious PDF — malware analysis report

Static analysis result for SHA-256 2325710faa38786d…

MALICIOUS

PDF

44.1 KB Created: 2020-08-18 21:49:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 875c81c189b014842f1d6d6eb10a6013 SHA-1: 1e34d5460915a0b0d5d355e663d155ddb25cff33 SHA-256: 2325710faa38786d1d476372e9069ff053d9418963d35cdaa4f7622f1d1fdb6d
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with the primary link pointing to a redirector service. This suggests a phishing or malicious content delivery attempt, where the redirector is used to obscure the final destination. The presence of numerous other PDF links, many hosted on Shopify, indicates a potential link farm or SEO poisoning technique to distribute malicious 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.com/pify?keyword=informal+report+sample+pdf In PDF document text
    • http://files.imageartscolumbus.com/uploads/1/3/2/3/132302735/8196819.pdfIn PDF document text
    • http://files.deltonfaithchurch.com/uploads/1/3/1/4/131408024/pamutuw.pdfIn PDF document text
    • http://files.mcesmonroe.com/uploads/1/3/1/8/131857315/3475975.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/1/0431/1308/7142/files/79866573905.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8379/2533/files/15265656720.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3631/0693/files/27315469017.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2204/7637/files/berilio_caracteristicas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2135/3635/files/69988506189.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2153/9240/files/portuguese_to_english_phrases.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/3584/1944/files/xaxoparutopumuwa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8454/6209/files/miracle_shake_for_ed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7708/4070/files/funny_answers_to_are_you_alive.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/3266/9334/files/understanding_how_to_fight_the_good_fight_of_faith.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9455/7350/files/45667430332.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6422/2101/files/niluvujasosonolobaso.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007174.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7174 5124 bytes
SHA-256: 8de43b1fa4f6839d1084fc6953ee9004982b9c4b4022de764926ec5735cec16e
font_01_sfnt_off000082bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82BB 9748 bytes
SHA-256: dbafc7484f6a491a1c70829fae525c77378ef771c3f5bde241dc65994b46015f