MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of embedded links, with at least one pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body is heavily obfuscated, but the presence of the URL https://ttraff.com/pify?keyword=acpl+fm220+registered+device suggests a phishing or scam attempt designed to lead the user to malicious content. No scripts were extracted, but the link farm and redirector indicate a likely attempt to lure users to external malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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.com/pify?keyword=acpl+fm220+registered+device
- http://files.heryellowribbon.org/uploads/1/3/1/4/131410685/liwipefizosapenubad.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/3346/7808/files/char-_broil_performance_seriestm_440s.pdf
- https://cdn.shopify.com/s/files/1/0431/7757/4557/files/wuxadisarukovimida.pdf
- https://cdn.shopify.com/s/files/1/0429/8086/8255/files/disclaimer_clause_in_audit_report.pdf
- https://cdn.shopify.com/s/files/1/0430/6799/8362/files/dapejewebit.pdf
- https://cdn.shopify.com/s/files/1/0431/6872/7194/files/nuvazalokuxijedumitokesis.pdf
- https://cdn.shopify.com/s/files/1/0434/1733/8005/files/employee_confidentiality_agreement_form.pdf
- https://cdn.shopify.com/s/files/1/0438/1445/3410/files/novutur.pdf
- https://cdn.shopify.com/s/files/1/0432/5651/2667/files/39121697355.pdf
- https://cdn.shopify.com/s/files/1/0431/2124/6359/files/duxavefoluweduxa.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00003f26.bin31d6187bb8a62100c9f0cca652073b9181991b6d8826579d4494c213ada4f373 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3F26 | 5588 bytes |
font_01_sfnt_off00005221.bin940d9257fb495379e20de61e3b136da2e4c04ee3a9cd80dbbfd1c86dbb0679e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5221 | 9380 bytes |
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