MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded links, with one prominent URL identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to "vernier caliper questions" and the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of numerous other PDF links, many hosted on Shopify, indicates a potential link farm or SEO manipulation tactic to distribute malicious content.
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.ru/pify?keyword=vernier+caliper+questions+pdf
- http://files.ornamentsofexpression.com/uploads/1/3/1/4/131455883/vojosa.pdf
- http://pixiru.flothecoffeevan.com/uploads/1/3/2/7/132712062/2dd2a8c435ec4d.pdf
- http://files.margoperin.com/uploads/1/3/2/6/132695354/segamesi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/9269/5458/files/jemorotonadenatonevugelu.pdf
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/23851177014.pdf
- https://cdn.shopify.com/s/files/1/0431/3019/2039/files/94467237594.pdf
- https://cdn.shopify.com/s/files/1/0437/2119/5669/files/valid_email_address.pdf
- https://cdn.shopify.com/s/files/1/0427/4195/6775/files/ketogenic_diet_lyle.pdf
- https://cdn.shopify.com/s/files/1/0436/8151/3625/files/zotutodakufewojubon.pdf
- https://cdn.shopify.com/s/files/1/0443/8504/2598/files/types_of_projective_test.pdf
- https://cdn.shopify.com/s/files/1/0437/3915/2535/files/53881999147.pdf
- https://cdn.shopify.com/s/files/1/0429/7523/2153/files/bible_numerology.pdf
- https://cdn.shopify.com/s/files/1/0431/6954/6395/files/10752743061.pdf
- https://cdn.shopify.com/s/files/1/0437/3427/0117/files/pawexunixarirekevatoj.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_off00006f39.bin4e1772d7192bf0b7958133e5eb500ca8aa23daae9bef5da751c378143698cc97 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F39 | 5240 bytes |
font_01_sfnt_off00008110.bine75246dc00989bf156df5cb9f455148d1d428342a7d57f758df0e1c2f27c2fa0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8110 | 10416 bytes |
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