MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one identified as a malicious redirector, disguised as a document download. The ML classifier strongly indicates maliciousness, and the presence of many external PDF links suggests a link farm or SEO poisoning attempt. The primary malicious IOC is the redirector URL, which likely leads to further stages of infection.
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=mechanical+drawing+standards+manual+pdf
- http://files.brightsidesolutions.com/uploads/1/3/0/7/130775017/medoputiziloj-bader.pdf
- http://files.bridgeportrodandgunny.com/uploads/1/3/0/8/130874204/46ddfa10321e6b.pdf
- http://xukasa.tmi-photo.com/uploads/1/3/0/8/130814328/9445281.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/4190/7110/files/motegixenosovukaralapa.pdf
- https://cdn.shopify.com/s/files/1/0438/6209/8085/files/zefilufumoses.pdf
- https://cdn.shopify.com/s/files/1/0434/8765/8141/files/nostradamus_almanac_pdf.pdf
- https://cdn.shopify.com/s/files/1/0434/0151/1064/files/mumiped.pdf
- https://cdn.shopify.com/s/files/1/0432/7990/9028/files/88370835106.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mevadijuxirefasu.pdf
- https://cdn.shopify.com/s/files/1/0430/2936/4889/files/topamuj.pdf
- https://cdn.shopify.com/s/files/1/0432/9776/7592/files/noxavuzasinekaduj.pdf
- https://cdn.shopify.com/s/files/1/0434/6894/7616/files/wodot.pdf
- https://cdn.shopify.com/s/files/1/0435/5493/0839/files/jarakoremud.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0234/files/is_cs._money_legit.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_off00007ab6.bin4b5aadfc7702beeb1de5dfcd45c9e8fa63c88b5d9bea9460a91c2c3b294dc04b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AB6 | 5668 bytes |
font_01_sfnt_off00008de3.bin3717daacf2ab03cf4dfb530f38ab377506b645069092bda7141008ee7a03f98f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DE3 | 16124 bytes |
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