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.ru/pify?keyword=introduction+to+entrepreneurship+books+pdf. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. The ML classifier also strongly flagged this PDF as malicious. The overall pattern suggests a phishing attempt disguised as a document download.
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.ru/pify?keyword=introduction+to+entrepreneurship+books+pdf
- http://files.raingirlphotos.com/uploads/1/3/1/4/131437930/782cc0.pdf
- http://files.lightoftheworldbrigade.org/uploads/1/3/0/7/130775249/betevanawavogi.pdf
- http://files.next-mex.com/uploads/1/3/2/6/132696111/rusowumado-pojisiwola-zamifadedos.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/4317/6091/files/abraham_twerski_kitaplar.pdf
- https://cdn.shopify.com/s/files/1/0432/8413/6086/files/36952353696.pdf
- https://cdn.shopify.com/s/files/1/0432/2135/2606/files/setagetuvuzanowil.pdf
- https://cdn.shopify.com/s/files/1/0432/1663/4016/files/42961945730.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/13164506765.pdf
- https://cdn.shopify.com/s/files/1/0433/6012/5080/files/19932973561.pdf
- https://cdn.shopify.com/s/files/1/0429/3813/8783/files/aircraft_design_download.pdf
- https://cdn.shopify.com/s/files/1/0430/1747/0101/files/45981353590.pdf
- https://cdn.shopify.com/s/files/1/0441/3738/2040/files/14204220827.pdf
- https://cdn.shopify.com/s/files/1/0449/3528/2856/files/vanilla_wow_stockades_quests.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_off0000c66c.bin3032890bb308650118fcb08dcf4c04f803746280bf91117e939ea0932304aa7f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC66C | 5140 bytes |
font_01_sfnt_off0000d7df.bin414f9bdd4ec2336f7e52a05353b5373af91d52eb94125a581b4e07a340513031 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7DF | 10356 bytes |
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