Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2a9c3579015f492…

MALICIOUS

PDF

80.8 KB Created: 2020-08-17 11:45:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2cd497a3da4c1f64379fbbd4fafc0e1e SHA-1: 911900eacc1e8d019f83722dac96fecd3a6ee188 SHA-256: e2a9c3579015f492a77298a47c15440255a2740236fede188de021a3bf086105
214 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.001 Malicious Link

The PDF contains a link farm and a specific malicious redirector URL, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains the malicious URL. The presence of a callback lure suggests a social engineering tactic to engage the victim further. The primary attack vector appears to be directing users to malicious infrastructure via embedded 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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=queen%2527+s+university+business+information+technology In PDF document text
    • http://files.hawaiiwaterpolo.com/uploads/1/3/1/0/131070938/4467b.pdfIn PDF document text
    • http://files.downtoearth-solutions.com/uploads/1/3/1/3/131382447/tedoxa.pdfIn PDF document text
    • http://fixeta.rkives-art.com/uploads/1/3/1/4/131406437/lewujevizefu_tojevo_diwopubetobizi_jisinuf.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/1/0429/5226/1795/files/88574187471.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2897/1681/files/87138016980.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4691/9579/files/13290304527.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8819/9328/files/general_aptitude_solving_tricks.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mituvazejuremoposanizama.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0127/3758/files/15262304951.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8768/1952/files/jedonalopa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4741/1096/files/prentice_hall_mathematics_algebra_2_textbook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8209/5517/files/30579234607.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_off0000f001.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF001 5692 bytes
SHA-256: fc279ddb3b50ad86264090a5c1f7d62524baa35f2835bf803ad1d513cd6416f2
font_01_sfnt_off00010352.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10352 16104 bytes
SHA-256: 0968ae5713896daf21ebe658f8036612553b2de66047162224f59911b204b7dd

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