MALICIOUS
152
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, which is the primary attack vector. The document body, though heavily obfuscated, appears to be a lure related to 'Angularjs interview questions'. The presence of numerous external PDF links, many hosted on cdn.shopify.com, suggests a link farm designed to improve SEO for malicious content. The ML classifier strongly indicates 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=angularjs+interview+questions+and+answers+for+freshers+pdf
- http://files.trueyouarttherapy.com/uploads/1/3/1/4/131437283/3cd631.pdf
- http://files.quasilocum.com/uploads/1/3/1/3/131380733/dazepip-tefifipipewesex.pdf
- http://files.roadrangersbassclub.com/uploads/1/3/0/7/130775850/9594318.pdf
- http://files.evanmueller.net/uploads/1/3/0/7/130776519/7640331.pdf
- http://files.jocelynpearsoncoaching.com/uploads/1/3/0/7/130739401/fetijag_feboxe_fezufod.pdf
- http://files.jocelynpearsoncoachin
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zugazad.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/22893269325.pdf
- https://cdn.shopify.com/s/files/1/0434/2133/5702/files/wurimutatop.pdf
- https://cdn.shopify.com/s/files/1/0429/6802/3194/files/66862790881.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/58143530911.pdf
- https://cdn.shopify.com/s/files/1/0429/3971/1644/files/mozova.pdf
- https://cdn.shopify.com/s/files/1/0429/0641/9367/files/75532845516.pdf
- https://cdn.shopify.com/s/files/1/0436/9671/7992/files/21529066710.pdf
- https://cdn.shopify.com/s/files/1/0438/0770/3201/files/74892584582.pdf
- https://cdn.shopify.com/s/files/1/0432/6234/5384/files/96679113135.pdf
- https://cdn.shopify.com/s/files/1/0429/6992/3740/files/xarew.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_off0000791a.binfe6fec404a0322b2da66c947c39e3ed367dd6a4e553369128b9070f34e87d653 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x791A | 5528 bytes |
font_01_sfnt_off00008bf1.bin3337746594fedea02c34ebde696d00565c8933639b975c2e789b3a9880e2aba7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BF1 | 11036 bytes |
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