MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one critical heuristic identifying a link to known malicious redirector infrastructure (ttraff.com). Another critical heuristic indicates a PDF link farm, suggesting a broad distribution attempt. The ML classifier strongly flagged this PDF as malicious. The document body appears to be heavily obfuscated or corrupted, preventing a clear understanding of its intended content beyond the presence of links.
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/pify?keyword=lasombra+clanbook+pdf+ita In PDF document text
- http://files.cartwheelbookawards.org/uploads/1/3/1/8/131856195/9189806.pdfIn PDF document text
- http://files.mindfulandpresent.com/uploads/1/3/1/4/131414240/ba9ec97.pdfIn PDF document text
- http://files.zichronyaakoveliyahu.org/uploads/1/3/1/6/131636841/vetikawewimuko_zupitibe.pdfIn PDF document text
- http://files.wardragons.info/uploads/1/3/1/8/131871704/sepogome.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/1/0430/5915/1009/files/xudavuzevetozoseb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3459/1907/files/59899104357.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93434530871.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8685/5840/files/59097208352.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9664/6556/files/36478755347.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/borutazaweluv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/riginijulu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dijovosulodomozov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5699/6245/files/9681183456.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/gavobej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2718/5309/files/30972299766.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3158/5180/files/wupaxaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8155/6375/files/dixetisiwugezavevag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6078/9409/files/padozafivilowukisidone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8909/8907/files/58046842950.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_off00009878.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9878 | 5116 bytes |
SHA-256: a41dcf8762b9edf4e938ecb863368bd730bf5f910b4853045de0373439a1871b |
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font_01_sfnt_off0000a9b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9B7 | 15260 bytes |
SHA-256: 240fada31c6c506828c648f7e9dcdbadffd40b9116bada553972b5d8728b9201 |
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