MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links that point to a redirector service (ttraff.cc) which is flagged as malicious. The document body text and embedded URLs suggest a lure related to 'workforce aptitude test questions' to entice users to click the malicious link. The ML classifier also strongly indicated 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=workforce+aptitude+test+questions+pdf
- http://files.opensciencedb.com/uploads/1/3/1/4/131483108/wutisifumatonuk.pdf
- http://gavokim.themodernweld.com/uploads/1/3/1/6/131606201/751fd.pdf
- http://files.modestlymade.com/uploads/1/3/1/8/131857631/394327.pdf
- http://files.rivercityfoursquarechurch.com/uploads/1/3/0/7/130739719/70face.pdf
- https://cdn.shopify.com/s/files/1/0429/3525/5203/files/xudizanotokut.pdf
- https://cdn.shopify.com/s/files/1/0436/9770/1032/files/96048738825.pdf
- https://cdn.shopify.com/s/files/1/0428/9980/0217/files/setoxas.pdf
- https://cdn.shopify.com/s/files/1/0431/6381/1999/files/50303383842.pdf
- https://cdn.shopify.com/s/files/1/0431/9218/9089/files/netoguvapot.pdf
- https://cdn.shopify.com/s/files/1/0430/8123/6634/files/7200160928.pdf
- https://cdn.shopify.com/s/files/1/0437/0884/2152/files/doliwakadomeg.pdf
- https://cdn.shopify.com/s/files/1/0428/4389/8019/files/dujelovaperelutitininol.pdf
- https://cdn.shopify.com/s/files/1/0440/8619/8424/files/93446957639.pdf
- https://cdn.shopify.com/s/files/1/0431/3815/4650/files/78302531724.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_off00006bc9.bin47fac7e309550e26f62c3fe50aed649d74158fb36e5b11bc4a120b1f2232e1de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BC9 | 5320 bytes |
font_01_sfnt_off00007e06.binc3316c669e823ca8c391a5e059d50342f8ac9318d1d053f085ef8349e7f26043 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E06 | 10732 bytes |
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