MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document exhibits characteristics of a link farm, with numerous embedded URLs. One URL, 'https://ttraff.com/pify?keyword=icao+annex+3+pdf', is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body contains garbled text and metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create SEO-optimized PDFs for malicious purposes.
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=icao+annex+3+pdf
- http://wekur.passion4healing.club/uploads/1/3/0/7/130740221/f9a340.pdf
- https://cdn.shopify.com/s/files/1/0428/0002/1667/files/adjektivdeklination_bungen_b1_mit_lsungen.pdf
- https://cdn.shopify.com/s/files/1/0435/0273/1430/files/betta_fish_fighting_videos.pdf
- https://cdn.shopify.com/s/files/1/0437/0595/8553/files/thermodynamics_an_engineering_approach.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/19941062624.pdf
- https://cdn.shopify.com/s/files/1/0429/7526/4924/files/74711508566.pdf
- https://cdn.shopify.com/s/files/1/0432/2004/1886/files/walile.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pifafesilepobusofamut.pdf
- https://cdn.shopify.com/s/files/1/0438/2962/4982/files/define_conformational_isomers_in_chemistry.pdf
- https://cdn.shopify.com/s/files/1/0429/0890/9734/files/65405379060.pdf
- https://cdn.shopify.com/s/files/1/0431/8239/1451/files/56146081518.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off00007a97.binca60383ca36372b019ccf49f7117f959f068646aa1553aa37d02374e057a01d2 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x7A97 | 18668 bytes |
font_00_sfnt_off000046f4.bin036afad5d7d22dde215f7245921f3c72481943f778c4d1dffe7f38ea6c13ce81 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46F4 | 5012 bytes |
font_01_sfnt_off00005815.binb5f4525d9b0161f668e3b58da584a042ccfc5c15cd50e8db3c156bb5355765c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5815 | 10040 bytes |
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