MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in
T1059.001 PowerShell
The PDF contains a large number of embedded links, with one specifically pointing to known malicious redirector infrastructure at `https://ttraff.ru/pify?keyword=cdta+224+pdf`. The document body, though heavily obfuscated, contains references to the malicious URL and numerous other URLs hosted on `cdn.shopify.com` and other domains, suggesting a link farm or redirection strategy. The presence of a callback lure heuristic further supports a phishing or social engineering attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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=cdta+224+pdf In PDF document text
- http://gidol.bajasharkdiving.com/uploads/1/3/0/8/130874422/xazugazupo.pdfIn PDF document text
- http://files.organizedphotos.com/uploads/1/3/1/8/131871740/3286342.pdfIn PDF document text
- http://files.mossremovaleverettwa.com/uploads/1/3/0/7/130775462/8f0563c524d0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0431/5663/5812/files/13422190415.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1880/5657/files/zivetepatajamikixizenitar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6443/3566/files/85472049926.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2758/6472/files/zimirilukisokosum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/3071/3244/files/oracle_java_collections_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5096/6950/files/61934455399.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5916/7900/files/define_swan_song.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4932/0610/files/94722597729.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9865/1288/files/57660958128.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7003/7924/files/cognitive_aptitude_test_sample_questions_and_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kekesapenogetiru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3917/6342/files/lamibulod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6277/8264/files/pcb_file_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8358/5949/files/tuwedevamimoduj.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005abf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5ABF | 4380 bytes |
SHA-256: 54efb0bc1e23dca0c8ec9c3074dc8e53cb88e7c3b11757217ad2dc0ccafa0b47 |
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font_01_sfnt_off000069b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69B3 | 12264 bytes |
SHA-256: b37250819e7e508634eea9bced7fe7cef7757547d7fe48c09df9d766c52c70e2 |
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font_02_sfnt_off0000913f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x913F | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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