MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating a malicious redirector link. The primary malicious URL identified is https://ttraff.cc/pify?keyword=basic+knowledge+of+ms+office+pdf, which is likely used to redirect users to a malicious site. The document also contains a large number of external PDF links, many hosted on Shopify, which is characteristic of SEO link farm abuse.
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=basic+knowledge+of+ms+office+pdf
- http://files.griffis4history.com/uploads/1/3/1/8/131856135/3164092.pdf
- http://files.vesnazidovec.com/uploads/1/3/1/3/131383665/tigozapobazuwamat.pdf
- http://files.lisapellingdietitian.com/uploads/1/3/1/0/131069899/798cc.pdf
- http://legebigas.ohioruralwater.org/uploads/1/3/0/8/130874304/durizopesewa_xidofiser.pdf
- https://cdn.shopify.com/s/files/1/0441/4416/5016/files/7225657955.pdf
- https://cdn.shopify.com/s/files/1/0430/2081/2441/files/root_nexus_6_marshmallow.pdf
- https://cdn.shopify.com/s/files/1/0437/7244/4823/files/lixumojiseketekigiwan.pdf
- https://cdn.shopify.com/s/files/1/0433/7339/6133/files/tatabusak.pdf
- https://cdn.shopify.com/s/files/1/0433/4557/6088/files/soreroziputijitek.pdf
- https://cdn.shopify.com/s/files/1/0431/9520/3745/files/86383172701.pdf
- https://cdn.shopify.com/s/files/1/0433/6753/0655/files/pegepivifanakufewukexe.pdf
- https://cdn.shopify.com/s/files/1/0434/6871/8242/files/kuvawe.pdf
- https://cdn.shopify.com/s/files/1/0430/7720/6165/files/quadrajet_carb_guide.pdf
- https://cdn.shopify.com/s/files/1/0427/9477/8791/files/9930142132.pdf
- https://cdn.shopify.com/s/files/1/0437/8296/3361/files/regagidukemujek.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_off0000648f.bin2593bee04e6b4c68176c0ca9cea13ca02e9393553177b7a4aa4c8a358bd803c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x648F | 5584 bytes |
font_01_sfnt_off000077a8.binbc6c454ee474a962bbbb7ede3ca4cb42d9a61697e9d7c92dd16092d9989b7fb3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77A8 | 10524 bytes |
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