MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. Additionally, it exhibits characteristics of a link farm, with numerous external links, many hosted on Shopify. The document body, though heavily obfuscated, contains the same URL. The presence of a callback lure heuristic suggests a potential phishing or scam attempt, aiming to trick the user into interacting with the malicious link.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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/wb?keyword=2018%20civic%20coupe%20ex-t%20manual In PDF document text
- http://bekeb.seamonkey.com.my/uploads/1/3/0/8/130813612/933918.pdfIn PDF document text
- http://padexu.totaltravelsystem.com/uploads/1/3/0/8/130814328/vimugudaxejovo.pdfIn PDF document text
- http://files.scotiansup.com/uploads/1/3/2/7/132740965/949dea7c1debc10.pdfIn PDF document text
- http://files.theworldofmcewan.com/uploads/1/3/0/7/130738814/gibaja_tawix_wododibura_musimetal.pdfIn PDF document text
- http://files.baslerchiro.com/uploads/1/3/0/7/130738970/9533277.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/1/0437/9652/9314/files/manualidades_con_reciclaje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4497/7305/files/the_coming_revolution_capitalism_in_the_21st_century.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4975/3507/files/74555596480.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6406/6209/files/3579571236.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81159011373.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9389/4044/files/marathi_calligraphy_letters.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4854/2109/files/sunax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7727/1713/files/23932132778.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9455/6320/files/finajonajek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3502/3770/files/latoxuwasosuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4949/1359/files/javisisileto.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_off00006f0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F0B | 5388 bytes |
SHA-256: 01e89046eaf33421950b026642adc1c74419c4f18b0377dc3851e937f6a8cb3d |
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font_01_sfnt_off00008159.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8159 | 10948 bytes |
SHA-256: 97fb959f9974db75491ff5a6307f70c6f36d738c1d476732322168d71a9a7a75 |
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