MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector at 'ttraff.com'. The ML classifier strongly indicated maliciousness. The presence of numerous external PDF links suggests a link farm or SEO poisoning attempt to lure users to malicious content. No scripts were extracted, but the PDF structure itself is used for malicious redirection.
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.com/wb?keyword=foundry%20workshop%20pdf In PDF document text
- http://files.tajaddodorthodontics.com/uploads/1/3/2/7/132712163/3002405.pdfIn PDF document text
- http://files.mwavizi.org/uploads/1/3/0/9/130969735/09ede54.pdfIn PDF document text
- http://files.palos-verdes-gem-and-mineral-society.org/uploads/1/3/0/7/130738823/7880433.pdfIn PDF document text
- http://files.havenhomeindia.org/uploads/1/3/0/9/130969680/luwifamaxa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://jikizazona.files.wordpress.com/2020/06/71483696143.pdfIn PDF document text
- https://nozijew.files.wordpress.com/2020/06/85452111710.pdfIn PDF document text
- https://goxexisigela34505480.files.wordpress.com/2020/07/nifajezopugiwu.pdfIn PDF document text
- https://lukipidize.files.wordpress.com/2020/06/50068615002.pdfIn PDF document text
- https://wubolijog.files.wordpress.com/2020/07/77470256360.pdfIn PDF document text
- https://dakuvabab.files.wordpress.com/2020/07/jiburegapabitonuzijib.pdfIn PDF document text
- https://woxuriro.files.wordpress.com/2020/06/nokafotuwatilulamej.pdfIn PDF document text
- https://vugazevilu.files.wordpress.com/2020/07/liwotizi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1754/3588/files/78359863479.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6042/7928/files/57267987482.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/39748763391.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bamizubonofosexewa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zenafepejeviwasi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9032/2342/files/92991378279.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6884/2393/files/padiperuwofonixum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8030/3270/files/68103466753.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_off00008066.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8066 | 4736 bytes |
SHA-256: f0dd1daff5aa5d26891c3973addf56aa22dbe96a927b286d5bb963d5675025ce |
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font_01_sfnt_off0000907d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x907D | 10056 bytes |
SHA-256: a6612d875fdcf8b51682581b712a3d816b072939ba25ddeb779a3f991e03ef38 |
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