MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=appraisal+and+evaluation+pdf'. This URL is presented within the document body, suggesting a social engineering lure to trick the user into clicking it. The presence of a large number of external PDF links also indicates a link farm, likely for SEO manipulation or to obscure the malicious destination. The ML classifier strongly flagged this PDF as malicious.
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=appraisal+and+evaluation+pdf
- http://files.theclermontvenue.com/uploads/1/3/0/8/130813516/45e546481.pdf
- http://files.wetfinishes.com/uploads/1/3/1/8/131872079/1519807.pdf
- http://files.christinekingcounselling.com/uploads/1/3/1/6/131636682/4b83bef48ff7ad2.pdf
- http://files.brickwallcoach.com/uploads/1/3/1/4/131483603/f416c0e.pdf
- http://files.carnivalincovington.com/uploads/1/3/0/7/130775977/5226138dad4ef.pdf
- https://cdn.shopify.com/s/files/1/0435/3120/6808/files/48940542824.pdf
- https://cdn.shopify.com/s/files/1/0430/6377/1293/files/bebovilaronawameb.pdf
- https://cdn.shopify.com/s/files/1/0434/8038/3653/files/xapapimopew.pdf
- https://cdn.shopify.com/s/files/1/0432/8259/6004/files/navobixe.pdf
- https://cdn.shopify.com/s/files/1/0435/9097/5647/files/nomuvaleditalulabev.pdf
- https://cdn.shopify.com/s/files/1/0434/0609/8597/files/8089528989.pdf
- https://cdn.shopify.com/s/files/1/0437/7978/4866/files/wifipo.pdf
- https://cdn.shopify.com/s/files/1/0432/7338/8190/files/88969203208.pdf
- https://cdn.shopify.com/s/files/1/0432/3803/1518/files/79794016305.pdf
- https://cdn.shopify.com/s/files/1/0431/9870/9918/files/webasa.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_off00009759.bin1f09080912464b53a8a2db63eb7c5941eea0f5ed780144b56e58ff7178f6dbd6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9759 | 5084 bytes |
font_01_sfnt_off0000a8b9.binb1a274aec3e8e224e9894d9c231b24f7b23177ad6946edb593ab2233cb612a25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8B9 | 14176 bytes |
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