MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded links, with one specifically pointing to a known malicious redirector. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO manipulation tactic. The ML classifier strongly indicated maliciousness, supporting the conclusion that this PDF is designed to lure users to potentially harmful 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.cc/pify?keyword=carbon+atom+form+bonds
- http://bujika.peorialawyers.com/uploads/1/3/1/3/131381497/8191030.pdf
- http://files.creatingrounds.com/uploads/1/3/2/3/132303083/64904.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/6381/1999/files/simple_past_tense_exercises_regular_verbs.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xutuxajaz.pdf
- https://cdn.shopify.com/s/files/1/0450/0317/8148/files/biology_for_life_book.pdf
- https://cdn.shopify.com/s/files/1/0436/5333/3145/files/examiner_s_report_acca_f3.pdf
- https://cdn.shopify.com/s/files/1/0433/4164/3928/files/saxawo.pdf
- https://cdn.shopify.com/s/files/1/0433/5625/8454/files/24640375060.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/949986333.pdf
- https://cdn.shopify.com/s/files/1/0437/5491/3943/files/nasuduwuperag.pdf
- https://cdn.shopify.com/s/files/1/0437/8663/3377/files/sevalumefikodoweb.pdf
- https://cdn.shopify.com/s/files/1/0438/8968/8731/files/foxiruziberuzuputemajok.pdf
- https://cdn.shopify.com/s/files/1/0434/1628/9447/files/49652360827.pdf
- https://cdn.shopify.com/s/files/1/0433/1261/1481/files/apprendre_l_anglais_en_30_jours_gratuit.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_off000067b5.binbc0f66f72041ae92b5f6fabae458af018804d6cbdea3ceca58887e4b9219164e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67B5 | 5068 bytes |
font_01_sfnt_off000078d6.bin6f77875affd70f4d67e13c907f76431c77b46a99f5e13fb837a1d0d7a0b74c9a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78D6 | 10072 bytes |
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