Malicious PDF — malware analysis report

Static analysis result for SHA-256 a22e375e085d1874…

MALICIOUS

PDF

42.0 KB Created: 2020-08-07 21:57:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f74a8e15822eb1cd44b5312359f02262 SHA-1: 4fde6d7502dbd647fae10152fa92a61a8440ac62 SHA-256: a22e375e085d1874970acd33c68f3126af6108cee8e8c98be2371c6526948fe2
214 Risk Score

Malware Insights

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

The PDF contains a link farm and a malicious redirector, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains URLs that are part of this link farm. The primary malicious URL is https://ttraff.cc/pify?keyword=ccie+security+v5+workbook+pdf, which likely leads to further malicious content or malware download.

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.cc/pify?keyword=ccie+security+v5+workbook+pdf In PDF document text
    • http://files.timeinthebush.com/uploads/1/3/0/7/130739883/c9a0d41.pdfIn PDF document text
    • http://files.keepingkidssafeproject.com/uploads/1/3/1/3/131382092/bed9454.pdfIn PDF document text
    • http://files.gammaetaomegaaka.org/uploads/1/3/1/6/131636990/5608641.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/1/0430/7327/4018/files/36675718494.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6966/1589/files/jubisuzupidaleli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2784/0675/files/sokiduwexibewifobiwata.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3146/1016/files/baroxuvemegudisanegiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6943/2230/files/fofigobifamefuxus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sedafasejizal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1334/0312/files/8032652621.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5226/9717/files/856443963.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5564/3809/files/novewudoxoxolow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2627/6775/files/4_transistor_audio_amplifier_circuit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2051/5488/files/zatizofagonebo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8517/6736/files/89297430480.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_off00005de5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DE5 5392 bytes
SHA-256: 4ccd304ed3febd88ca49a39610df373f417932e031970b3222b7498cd32642f2
font_01_sfnt_off0000706f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x706F 13572 bytes
SHA-256: 07207e3657cb10afaa38ae8694c77f7b255a56475b985dc8aa7bee3254375b62

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