MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious File
T1059.003 Command and Scripting Interpreter: Windows Command Shell
The PDF contains a link to a redirector, ttraff.cc, which is flagged as malicious. The document also contains a lure to copy/paste content into a command shell, suggesting an attempt to trick the user into executing commands. The presence of a large number of embedded PDF links, many pointing to Shopify domains, indicates a link farm SEO tactic to improve search engine ranking for the malicious download lure. The primary malicious IOC is the redirector URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.cc/pify?keyword=cinema+4d+r20+free++mac In PDF document text
- http://files.dragonflygifts.org/uploads/1/3/1/4/131438490/fukideroranak.pdfIn PDF document text
- http://files.becomingsarh.com/uploads/1/3/0/7/130739567/3400932.pdfIn PDF document text
- http://worar.highhillproductions.com/uploads/1/3/1/4/131408024/wekeleviwe.pdfIn PDF document text
- http://files.store.wssbadminton.com/uploads/1/3/0/8/130814666/6057121.pdfIn PDF document text
- http://files.caseworkproductions.com/uploads/1/3/2/6/132681985/d329a38b55.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/1/0433/8650/3324/files/ginagakuvusafubatogid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3258/4098/files/57095021252.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4259/5239/files/wordly_wise_3000_book_10_lesson_1_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7010/3452/files/jagoxejikabiditugolotikiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6487/6444/files/alignment_telescope.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9993/9235/files/bestiary_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1369/1799/files/keridenakapofepifu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8257/8088/files/mee6_delete_messages.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0473/1300/files/basic_english_grammar_book_5_saddleback.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tomazemajetel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1621/4936/files/anaerobic_digestion_process_steps.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7309/2246/files/tabajojefowaruv.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_off00007148.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7148 | 5224 bytes |
SHA-256: 99fbbe429350852fd3f627b4d1bec893f4845ef66af26fedc419f286f6923f2c |
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font_01_sfnt_off000082f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82F2 | 13812 bytes |
SHA-256: f34842126ec6c62d4941cbeefeda43353995d44951752a4a604e8c7248b37a34 |
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