MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.ru, which is likely part of a phishing or scam campaign. The document body, though heavily obfuscated, contains text that appears to be a lure, possibly related to a 'looming tower series' or a catalogue. The presence of numerous external PDF links, many hosted on Shopify, suggests an attempt to create a link farm for SEO manipulation or to distribute malicious content. The heuristic 'SE_CALLBACK_LURE' further supports a phishing or scam pretext.
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) or Microsoft license-boilerplate 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/pify?keyword=looming+tower+series In PDF document text
- http://tisobuwos.lumhc.com/uploads/1/3/1/3/131398134/dikumokukerur-wozixav-bugakajajupesod.pdfIn PDF document text
- http://wogev.nzpics.com/uploads/1/3/0/9/130969406/c68d754f03a7d5.pdfIn PDF document text
- http://xogevoluz.ftbstore.org/uploads/1/3/1/4/131453133/sobegaduki-wodumimarabed.pdfIn PDF document text
- http://files.hitchhouseusa.com/uploads/1/3/1/4/131438758/winesojogorupevagebu.pdfIn PDF document text
- http://files.riversidecoc.net/uploads/1/3/2/6/132681954/bovuzalonoduki.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/1/0427/9438/5575/files/automann_suspension_catalogue.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lojuxefututa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5082/6905/files/49007954951.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4261/1095/files/19840610379.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5046/6454/files/26828784261.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4381/4556/files/frontier_airlines_gate_information.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5410/2688/files/handout_master_1._6_crossword_puzzle_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7952/4759/files/shell_script_cheat_sheet.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_006_off0000fa87.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xFA87 | 19088 bytes |
SHA-256: 5330e22b11e930da019e4f29c98a3e95196fa8ca3925e2a2819d35320b05ace1 |
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font_00_sfnt_off0000c704.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC704 | 4796 bytes |
SHA-256: 55e0d61ce36845d024501f7c9770364e0b459ae3611a4f2c6de808f26ffc37f6 |
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font_01_sfnt_off0000d758.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD758 | 10224 bytes |
SHA-256: 9a6044598bcad236094d553cbf33bbda1ee5d3772886366338e7a7f8610ee99d |
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