MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with the primary link redirecting to a known malicious infrastructure. The document body, though heavily obfuscated, contains the same URL and keywords suggesting a lure for users to download a dictionary, which is a common social engineering tactic. 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.cc/pify?keyword=merriam+webster+advanced+learner+english+dictionary+free+download+pdf
- http://files.stealthbrew.co/uploads/1/3/0/7/130738572/5595438.pdf
- http://bomep.lyoneyecosmetic.com/uploads/1/3/1/6/131636725/jexoresefisuvit_xusowe_xugejaxilugi.pdf
- http://files.ak4h.org/uploads/1/3/1/8/131871814/08e0f7a.pdf
- http://kuroke.megan-livingston.com/uploads/1/3/2/7/132741334/16ee756345.pdf
- https://cdn.shopify.com/s/files/1/0430/4617/4877/files/81792605891.pdf
- https://cdn.shopify.com/s/files/1/0429/2493/3287/files/20022530720.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/58863311498.pdf
- https://cdn.shopify.com/s/files/1/0431/6617/1287/files/rimekidejojatagolin.pdf
- https://cdn.shopify.com/s/files/1/0431/1960/7965/files/wotumimoxodim.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/83406059157.pdf
- https://cdn.shopify.com/s/files/1/0428/8207/2732/files/vepajulax.pdf
- https://cdn.shopify.com/s/files/1/0434/4738/6264/files/renutatox.pdf
- https://cdn.shopify.com/s/files/1/0428/3046/3142/files/nopikadisukifelod.pdf
- https://cdn.shopify.com/s/files/1/0431/2881/5783/files/paleo_diet_food_plan.pdf
- https://cdn.shopify.com/s/files/1/0432/6129/6790/files/41087937789.pdf
- https://cdn.shopify.com/s/files/1/0431/2032/8864/files/tamajusofogukajibola.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_off00006b22.binbf5f0218bc951e0e53a73d6513d21f51594985c9189a67139c9629e8ff9bc305 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B22 | 5968 bytes |
font_01_sfnt_off00007f6e.bin1591a607dd063654375b3198bfca07221da0d42e65dd291f75e2fa8418b06efa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F6E | 10444 bytes |
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