MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which points to 'https://ttraff.cc/pify?keyword=personal+pronouns+worksheet+for+class+3'. This URL is presented within the document body, disguised as a link to a worksheet. The PDF also contains a mass external PDF link farm, with many links pointing to shopify.com, but the primary malicious indicator is the redirector. 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=personal+pronouns+worksheet+for+class+3
- http://files.pasturedpoultryinfo.com/uploads/1/3/1/3/131384081/2805928.pdf
- http://tunopo.mommygeekmg.com/uploads/1/3/0/7/130739204/xelamadovetebawu.pdf
- http://nevenude.picturesquechange.org/uploads/1/3/2/3/132303035/5e828dde92.pdf
- https://cdn.shopify.com/s/files/1/0431/6702/3259/files/veperadasomeragik.pdf
- https://cdn.shopify.com/s/files/1/0438/2756/0610/files/niwitofutifuwosogazusudum.pdf
- https://cdn.shopify.com/s/files/1/0431/8507/8434/files/lejomewazas.pdf
- https://cdn.shopify.com/s/files/1/0431/7567/4014/files/12317276589.pdf
- https://cdn.shopify.com/s/files/1/0437/2761/8209/files/courage_under_fire_book.pdf
- https://cdn.shopify.com/s/files/1/0438/1274/9469/files/assam_tribune_today_newspaper.pdf
- https://cdn.shopify.com/s/files/1/0428/8937/9993/files/5891159450.pdf
- https://cdn.shopify.com/s/files/1/0429/6219/0499/files/cambridge_key_english_test_6.pdf
- https://cdn.shopify.com/s/files/1/0432/3305/0779/files/careless_whisper_guitar_chords.pdf
- https://cdn.shopify.com/s/files/1/0435/0076/5336/files/45672719737.pdf
- https://cdn.shopify.com/s/files/1/0432/2508/8168/files/73952659351.pdf
- https://cdn.shopify.com/s/files/1/0437/1116/8663/files/advanced_combat_tracker_update.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_off000046a3.binc343fee2058ee0d79749f734d63e77f45fcac869fa96d0c8fce781fd5bea65bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46A3 | 5424 bytes |
font_01_sfnt_off00005920.binfccc97495e26ad8f5343566361a28b5290051bfac2b6912a45b30f68030c6e58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5920 | 9776 bytes |
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