MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one pointing to a known malicious redirector. The document body and embedded links suggest a tactic of creating a link farm, likely for SEO manipulation or to host phishing lures. The ML classifier strongly indicates malicious intent, and the presence of a malicious redirector URL confirms this.
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.cc/pify?keyword=5th+grade+math+place+value+worksheets+pdf
- http://sutij.cefcrc.org/uploads/1/3/1/3/131383309/kujosujifi.pdf
- http://xovajexa.appgeogconf.org/uploads/1/3/1/3/131384260/jomegakuv-fizugubedewujax-xikiladebot-taxoxojida.pdf
- http://files.ar2cogic.org/uploads/1/3/0/7/130776852/8332442.pdf
- http://pixulebag.preptour.com/uploads/1/3/1/1/131164312/rugatujoxu_pixud_beluk.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/2998/7489/files/53342236005.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fixasitisajixumazurezeve.pdf
- https://cdn.shopify.com/s/files/1/0434/6917/6985/files/71619107247.pdf
- https://cdn.shopify.com/s/files/1/0428/6555/7671/files/zirafi.pdf
- https://cdn.shopify.com/s/files/1/0428/1909/2647/files/bizorifakaxoradaw.pdf
- https://cdn.shopify.com/s/files/1/0437/7539/3946/files/acorus_calamus.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/texojorigerusoxuduk.pdf
- https://cdn.shopify.com/s/files/1/0434/5800/3096/files/7264772762.pdf
- https://cdn.shopify.com/s/files/1/0433/5455/4533/files/24537030104.pdf
- https://cdn.shopify.com/s/files/1/0431/2068/9306/files/50453893373.pdf
- https://cdn.shopify.com/s/files/1/0432/5844/5979/files/cantico_di_frate_sole_testo.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_off00005a53.bina8608223204b3b12641642dd8e100b2584f318a1a41113a16c8c72e2b26f596c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A53 | 5816 bytes |
font_01_sfnt_off00006e0e.bin864d7c860211e3c5615890606cd93177618d82bed9765494309558f0e15a8eb6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E0E | 9732 bytes |
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