MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link to 'ttraff.com', identified as a malicious redirector. This link is presented within text that mimics a free PDF download lure. The presence of numerous other links to PDF files, many hosted on Shopify, suggests a link farm designed to improve search engine ranking for malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is part of a phishing or scam campaign.
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=pdf+books+free+download+online
- http://files.tormonbrothers.com/uploads/1/3/0/7/130775393/siwar.pdf
- http://powot.michelleleafloor.com/uploads/1/3/1/3/131380480/1628817.pdf
- http://files.mrsmellor.com/uploads/1/3/1/3/131384113/5981116.pdf
- https://cdn.shopify.com/s/files/1/0428/3029/9292/files/zawekerezoxizuxofili.pdf
- https://cdn.shopify.com/s/files/1/0431/6073/1803/files/57362451654.pdf
- https://cdn.shopify.com/s/files/1/0429/3217/5014/files/71638934424.pdf
- https://cdn.shopify.com/s/files/1/0433/4272/5275/files/fulalovumasuzobegiluneg.pdf
- https://cdn.shopify.com/s/files/1/0437/0097/7829/files/54924687703.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fulefevizurosojasi.pdf
- https://cdn.shopify.com/s/files/1/0437/9761/0657/files/79740577359.pdf
- https://cdn.shopify.com/s/files/1/0437/4924/5079/files/priority_queue_java_comparator.pdf
- https://cdn.shopify.com/s/files/1/0434/5125/2896/files/physical_chemistry_a_molecular_approach_solutions_manual.pdf
- https://cdn.shopify.com/s/files/1/0427/6033/9623/files/45148704860.pdf
- https://cdn.shopify.com/s/files/1/0429/0193/0143/files/26229372321.pdf
- https://cdn.shopify.com/s/files/1/0435/8235/7663/files/biwebo.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/
- https://cdn.shopify.com/s/files/1/0427/6033
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006638.binf359bd3e3a0f540cce32df4b1f8dd98b2cc2e10df44c2278afc124643b3f72ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6638 | 5196 bytes |
font_01_sfnt_off0000780a.binb529718695a146c52389c21213507d0611d04164fad776d6e629fb79c869f863 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x780A | 10032 bytes |
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