MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains numerous links, many of which point to a redirector service (ttraff.cc) that is flagged as malicious. The document body and heuristics indicate a lure for a drum sheet PDF, which is a common phishing tactic. The presence of embedded URLs and the ML classifier strongly suggest malicious intent, likely to redirect the user to a malicious site or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=here+i+go+again+drum+sheet+pdf In PDF document text
- http://files.walkamilebrainerdbaxter.com/uploads/1/3/2/6/132682813/rojivolep_vapudofezokem.pdfIn PDF document text
- http://files.mnpeo.org/uploads/1/3/0/9/130969758/tiwexavajedije.pdfIn PDF document text
- http://files.longlakehounds.com/uploads/1/3/1/4/131438188/41f1021ff76.pdfIn PDF document text
- http://files.lindseymcnaughton.com/uploads/1/3/0/7/130775049/miruroworosib.pdfIn PDF document text
- http://wivoke.paradiseprintsfashion.com/uploads/1/3/1/3/131383791/disil-kapawiwusidi-gaduditur.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gijamibumiji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2668/5858/files/xabuzajegabatetewapawa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0213/4681/files/datation_carbone_14_exercice_corrig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8502/8758/files/febisu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3279/6574/files/65525239129.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/zend_avesta_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3458/1911/files/tobira_textbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5852/8405/files/47999302060.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3337/9484/files/marathi_calendar_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5356/4583/files/paxaporejosuke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7116/8931/files/72415714218.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8933/0325/files/volebuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6789/2131/files/42687910337.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8584587797.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2187/6899/files/31500743108.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005896.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5896 | 5384 bytes |
SHA-256: 639fe9000a95ee798cbb9788862e70324a8cfe8e75f71a958dae1d9d38607e12 |
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font_01_sfnt_off00006ab4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AB4 | 14856 bytes |
SHA-256: 45070b6589aadc14b97f76b5919fccbf513d56f942ee9c6082864901630ee78c |
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