MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links, 'https://ttraff.cc/pify?keyword=identities+worksheet+answers', is identified as a malicious redirector. The document body, though heavily obfuscated, contains the text 'Identities worksheet answers', suggesting a lure to trick users into clicking the malicious link. The ML classifier 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.cc/pify?keyword=identities+worksheet+answers
- http://bezoku.diazcounseling.com/uploads/1/3/0/7/130775503/fb022570f237b7.pdf
- http://files.comforttrainer.net/uploads/1/3/2/6/132681002/4312007.pdf
- https://cdn.shopify.com/s/files/1/0433/9105/8078/files/kinupalinuvawepabife.pdf
- https://cdn.shopify.com/s/files/1/0431/1754/3585/files/33942655271.pdf
- https://cdn.shopify.com/s/files/1/0433/4351/1702/files/kunalorufulofuxikol.pdf
- https://cdn.shopify.com/s/files/1/0434/3142/8248/files/75679964198.pdf
- https://cdn.shopify.com/s/files/1/0434/0023/3112/files/dowurukenafabom.pdf
- https://cdn.shopify.com/s/files/1/0437/6271/2734/files/63245399240.pdf
- https://cdn.shopify.com/s/files/1/0439/5896/0286/files/wiwobubuwadiwepula.pdf
- https://cdn.shopify.com/s/files/1/0432/4022/6984/files/33024617392.pdf
- https://cdn.shopify.com/s/files/1/0432/9907/8304/files/3083706636.pdf
- https://cdn.shopify.com/s/files/1/0431/7999/9383/files/adventure_time_card_wars_free_apk.pdf
- https://cdn.shopify.com/s/files/1/0429/9168/1699/files/16404093846.pdf
- https://cdn.shopify.com/s/files/1/0438/1288/0541/files/zafovojezunuwupati.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006ad1.bin57a2322403e930d60f57e63dde9c974bfaebdb1c787e0cd32be1e77fd2910d63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AD1 | 4972 bytes |
font_01_sfnt_off00007bc1.bina9e81de79f26afff32fe8c2c1981aa19ec8e082b8eb9c68ad00568e285411981 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BC1 | 10464 bytes |
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