MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to domains associated with link farms and redirectors, as indicated by the PDF_SEO_LINK_FARM and PDF_MALICIOUS_REDIRECTOR_LINK heuristics. The primary malicious URL identified is https://ttraff.ru/pify?keyword=norton+door+closer+adjustment, which is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to disguise malicious activity. The ML classifier strongly supports the malicious verdict.
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.ru/pify?keyword=norton+door+closer+adjustment In PDF document text
- http://files.coefyouth.com/uploads/1/3/1/0/131070151/buravomeb.pdfIn PDF document text
- http://files.tapcater.com/uploads/1/3/2/6/132695568/wotewonebumux.pdfIn PDF document text
- http://files.tampabayplasticsurgery.net/uploads/1/3/0/8/130814342/pakowuvomes.pdfIn PDF document text
- http://files.evolverealty.ca/uploads/1/3/0/8/130874035/1219477.pdfIn PDF document text
- http://files.cmgworldwidefashionweeks.com/uploads/1/3/0/7/130776855/f2a97.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/1/0430/1769/9477/files/pekejab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5419/4070/files/39321445861.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/58143530911.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2318/7614/files/wefafokinekudupifatal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4477/1739/files/10615367955.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4257/0401/files/94837145505.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/3220/4696/files/pefanaxolobamupisadawaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4190/7100/files/lapilusadibisexe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9240/1566/files/mubugerejovujilopuni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6924/3553/files/67905899659.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9386/9223/files/fonixigajuvarigagadixixox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2511/1972/files/zixelabelelubolube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9249/9877/files/44831014528.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mozesuseb.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_off000072f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72F7 | 5132 bytes |
SHA-256: b35517fe1fdcce246bea95abdbe3278d302ca1d6447785f783d06ad1b84d1ec5 |
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font_01_sfnt_off00008458.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8458 | 9312 bytes |
SHA-256: 49e73a752ac9021ae7f142f915aa6a0cd86a03ddb81d90600169f2fd5a9139e2 |
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