MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic match for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=public+speaking+techniques+pdf'. Additionally, it exhibits characteristics of a link farm, embedding numerous external PDF links, with the primary one being 'https://cdn.shopify.com/s/files/1/0430/3486/9921/files/xivokirusemuwobatitapikeg.pdf'. The document body, though heavily obfuscated, contains these URLs, suggesting the intent is to redirect users to potentially malicious content under the guise of providing public speaking techniques.
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=public+speaking+techniques+pdf In PDF document text
- http://files.ohiohostclubs.com/uploads/1/3/0/7/130740420/8325619.pdfIn PDF document text
- http://files.tradeforward.com.au/uploads/1/3/1/4/131437322/4648567.pdfIn PDF document text
- http://files.reedcooper.net/uploads/1/3/1/0/131070113/mukusugexezud.pdfIn PDF document text
- http://files.ministryofunderwear.co.uk/uploads/1/3/1/6/131637136/7287958.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0430/3486/9921/files/xivokirusemuwobatitapikeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2888/1313/files/32755708761.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3269/9302/files/javuma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dutevitijenunolekegek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/94495825322.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1447/0302/files/49429942688.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7224/8215/files/galufozif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4487/2090/files/54119980192.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8749/5322/files/41105161322.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/33672977438.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2402/2677/files/72609966455.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5732/3925/files/difisutujofo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8165/4679/files/4165302979.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1682/1672/files/importance_de_l_alphabtisation.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000073c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73C2 | 5424 bytes |
SHA-256: 2d9997b0140a169960c7c2f9ca8f047336482b7a82d54eb025264ef316d0075c |
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font_01_sfnt_off00008613.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8613 | 10072 bytes |
SHA-256: 6c8ea1aa43ed9eb1cb0bb3a1f159cdc41b1daaf2690bd2e3ec0cc29955cef1c9 |
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font_02_sfnt_off0000a889.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA889 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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