MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is used to obscure the final destination. The document body, though heavily obfuscated, contains the text 'Bullet points resume format' and the malicious URL, suggesting a lure for phishing or a scam. The presence of numerous links to external PDFs, many hosted on Shopify, indicates a link farm strategy. The ML classifier strongly flagged this PDF as malicious.
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=bullet+points+resume+format
- http://files.remembrancestars.com/uploads/1/3/1/3/131384589/5470188.pdf
- http://wakatisu.maryloutrinkwon.com/uploads/1/3/1/1/131164250/1393934.pdf
- http://files.liftinggearhampshire.com/uploads/1/3/1/4/131408172/0a186931f94820.pdf
- https://cdn.shopify.com/s/files/1/0429/8362/0767/files/17982094781.pdf
- https://cdn.shopify.com/s/files/1/0431/5476/8021/files/cascada_de_coagulacion_sanguinea.pdf
- https://cdn.shopify.com/s/files/1/0429/3555/0111/files/nixejarepevavano.pdf
- https://cdn.shopify.com/s/files/1/0434/2956/0486/files/kojoragikelowupara.pdf
- https://cdn.shopify.com/s/files/1/0433/9105/8070/files/defunudodezizukusiwo.pdf
- https://cdn.shopify.com/s/files/1/0431/9775/9643/files/89884255213.pdf
- https://cdn.shopify.com/s/files/1/0435/0800/7072/files/dojub.pdf
- https://cdn.shopify.com/s/files/1/0429/8201/5135/files/76315722290.pdf
- https://cdn.shopify.com/s/files/1/0437/1687/0293/files/wutipafuposubirozizukedix.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mobisibat.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/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000672b.bin8fa656a109c3dd98f826841496442d1157c0e6ec2869b9a7c4ec1d84e204fb04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x672B | 4980 bytes |
font_01_sfnt_off000077f1.bin1a30f5bbc8b6ef208088cb73999f291ba8c82a741399482e3badb878e71248ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77F1 | 10876 bytes |
font_02_sfnt_off00009d19.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D19 | 4324 bytes |
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