MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.club'. This URL is presented within the document body, disguised as a link to a programming PDF. The presence of numerous other links to Shopify PDFs suggests a link farm or SEO poisoning tactic to increase visibility and lure victims. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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.club/wix?keyword=fundamentals+of+computer+programming+c+++pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/5348/2137/files/pour_c3_a9diter_le.pdf
- https://cdn.shopify.com/s/files/1/0432/2718/5311/files/87900440449.pdf
- https://cdn.shopify.com/s/files/1/0431/8127/7348/files/cell_counter_corning_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/1311/0951/files/august_2020_current_affairs_upsc.pdf
- https://cdn.shopify.com/s/files/1/0434/7065/1558/files/amma_rajinama_hd_video_songs.pdf
- https://cdn.shopify.com/s/files/1/0432/1063/7476/files/68137953791.pdf
- https://cdn.shopify.com/s/files/1/0428/7581/4047/files/ferumolime.pdf
- https://cdn.shopify.com/s/files/1/0432/5474/3200/files/moxadiwiduzatesuvozirok.pdf
- https://cdn.shopify.com/s/files/1/0461/4337/3480/files/simplicity_pattern_measurement_guide.pdf
- https://cdn.shopify.com/s/files/1/0432/9694/8382/files/3313922102.pdf
- https://cdn.shopify.com/s/files/1/0430/6511/4775/files/35128053028.pdf
- https://cdn.shopify.com/s/files/1/0433/7106/9594/files/un_barrage_contre_le_pacifique_gratuit.pdf
- https://static.usrfiles.com/ugd/b8c837_fbc83aae333441b5b6cf9f36a3801b96.pdf
- https://static.usrfiles.com/ugd/23e9be_3eb5b46599894d9b984aec821e66719e.pdf
- https://static.usrfiles.com/ugd/b8c837_0acc878a58574c9383fb1351e1197809.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006608.bina4bba2ca71b7c5bb46fdbf138622f179b37aab58bbb480a0ce1737f7f466d841 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6608 | 5432 bytes |
font_01_sfnt_off0000786c.bin2f7d688312192f7fef3a3bae8c6bf050d68c25751506bc2e97167f888605ab58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x786C | 11864 bytes |
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