MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK pointing to 'ttraff.com'. Another critical heuristic, PDF_SEO_LINK_FARM, indicates a large number of external links, with 'cdn.shopify.com' being a dominant host. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=separation+process+principles+solution+manual', reinforcing the lure. The ML classifier also 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.com/pify?keyword=separation+process+principles+solution+manual
- http://files.ulveling.com/uploads/1/3/1/6/131637953/pefekufigebe-mipif-kobegulaji.pdf
- http://files.eastchurchvillagehall.co.uk/uploads/1/3/0/9/130969012/dasekov_kifodasara_pigafosebas_borux.pdf
- http://files.calone.studio/uploads/1/3/1/8/131856186/43a85741385b4f2.pdf
- https://cdn.shopify.com/s/files/1/0432/3803/1518/files/filedekaso.pdf
- https://cdn.shopify.com/s/files/1/0433/1637/9816/files/51172392417.pdf
- https://cdn.shopify.com/s/files/1/0430/5184/3737/files/dekiguleduk.pdf
- https://cdn.shopify.com/s/files/1/0430/4669/9165/files/21473661282.pdf
- https://cdn.shopify.com/s/files/1/0430/9755/5108/files/dipotarosuve.pdf
- https://cdn.shopify.com/s/files/1/0431/3491/0618/files/jopasurusaforowusofeb.pdf
- https://cdn.shopify.com/s/files/1/0431/3962/9218/files/rarefugutesukuxa.pdf
- https://cdn.shopify.com/s/files/1/0430/0577/1939/files/86211453088.pdf
- https://cdn.shopify.com/s/files/1/0438/2218/6656/files/51362354776.pdf
- https://cdn.shopify.com/s/files/1/0434/4204/5090/files/jigem.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kikurum.pdf
- https://cdn.shopify.com/s/files/1/0438/0576/9888/files/2855090339.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_off0000e4b4.bin8ab439c2cabb7466ddadaec9f4c2f5cb6f1d9298ef1af11a8672289c43f64987 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B4 | 5180 bytes |
font_01_sfnt_off0000f63b.bin4030aa207467d3a8802411c7aa618f83e3eb7c81a921c5f6edc05b26982920a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF63B | 10720 bytes |
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