MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'homologous structures worksheet answers' and includes the malicious URL. This suggests a phishing or scam attempt disguised as educational material to redirect users to malicious infrastructure.
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.com/wix?keyword=homologous+structures+worksheet+answers
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/5587/3190/files/68209472611.pdf
- https://cdn.shopify.com/s/files/1/0455/7180/1253/files/chemquest_19_ionic_bonding_answers.pdf
- https://cdn.shopify.com/s/files/1/0435/1541/2632/files/vafifimag.pdf
- https://cdn.shopify.com/s/files/1/0430/2091/0746/files/bronchoalveolar_lavage_cytology.pdf
- https://cdn.shopify.com/s/files/1/0431/5221/2128/files/79000789316.pdf
- https://cdn.shopify.com/s/files/1/0448/4605/5586/files/3575026924.pdf
- https://cdn.shopify.com/s/files/1/0434/4253/6598/files/kedudakux.pdf
- https://cdn.shopify.com/s/files/1/0431/4651/0504/files/zadifarojolulemiwug.pdf
- https://cdn.shopify.com/s/files/1/0427/8249/0791/files/7th_grade_math_probability_worksheets.pdf
- https://static.usrfiles.com/ugd/b8c837_f7a807859dc34f56aad9b7afb7e94efb.pdf
- https://static.usrfiles.com/ugd/5360f8_46216440c7224ae58cbda2964be40e6e.pdf
- https://static.usrfiles.com/ugd/b8c837_160290fcb9ef44f0a9f514f51c38c8b6.pdf
- https://static.usrfiles.com/ugd/b7082a_ecd2ca52d2064deaab5159e59624daa2.pdf
- https://static.usrfiles.com/ugd/f96b02_e29621dc1e104415a8ffea846a3d437e.pdf
- https://static.usrfiles.com/ugd/73f3b0_d74cffb4d4934bb8a85e28a3a09f54a1.pdf
- https://static.usrfiles.com/ugd/217d68_f1aab7e9bda048f39d522cf26c38e6b3.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_off00004a57.bin6960eac81c54be04e6e4868b7da98cb7646cdde8a2ddc3a5571189e792206f89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A57 | 5332 bytes |
font_01_sfnt_off00005c67.bina29e45cc29da027096845946e6472cc3f34a0712279c298fd11c00afec0a9517 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C67 | 9656 bytes |
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