MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically the URL https://ttraff.com/pify. The document body, though heavily obfuscated, contains text related to 'Today's crossword puzzle answers' and includes numerous links to Shopify-hosted PDF files, suggesting a link farm or SEO poisoning attempt. The ML classifier also strongly indicated maliciousness.
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/pify?keyword=today%2527+s+crossword+puzzle+answers
- http://files.tncommunitycorrections.org/uploads/1/3/1/8/131871894/9902773.pdf
- http://files.whyrunnow.com/uploads/1/3/2/3/132302963/temodadera-xusigisivomi-zipoguxadegup.pdf
- http://files.taeyongpark.com/uploads/1/3/0/9/130969012/biwonedutitutilomize.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/1117/8649/files/41673507036.pdf
- https://cdn.shopify.com/s/files/1/0438/4368/2469/files/bebitod.pdf
- https://cdn.shopify.com/s/files/1/0451/3605/2389/files/acting_out_culture_2nd_edition_free.pdf
- https://cdn.shopify.com/s/files/1/0435/4693/5451/files/xamadabetutefegujosowa.pdf
- https://cdn.shopify.com/s/files/1/0437/7939/1646/files/famukafudujuzaneset.pdf
- https://cdn.shopify.com/s/files/1/0428/2492/5347/files/tevanujofixosobijopafur.pdf
- https://cdn.shopify.com/s/files/1/0430/9529/4109/files/asterios_polyp_portugues.pdf
- https://cdn.shopify.com/s/files/1/0434/9578/4600/files/bumowiwurojutewokanexuna.pdf
- https://cdn.shopify.com/s/files/1/0429/8702/8641/files/mapupomejunaligabiveba.pdf
- https://cdn.shopify.com/s/files/1/0431/6617/1293/files/xurifutuvexejaxorofavo.pdf
- https://cdn.shopify.com/s/files/1/0435/7180/6366/files/bingo_sheet.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_off00005ca0.bin5b942944f41f03e90f4c1eeda857af95083aa8d7cf447a92ff455d1e80432f35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CA0 | 5292 bytes |
font_01_sfnt_off00006edc.bin678eed8ea8cf38c12ec94da359099fb2312dd0832738d676715b2f4800380732 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EDC | 9628 bytes |
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