MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that redirect to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body text, though partially corrupted, suggests a lure related to a job application cover letter. The primary malicious IOC is the redirector URL, which likely serves as a gateway to further malicious content.
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/wb?keyword=covering%20letter%20for%20electrical%20engineering%20job%20application%20pdf
- http://files.jbhcrafting.com/uploads/1/3/0/8/130874220/melozazijisajifor.pdf
- http://files.christchurchbabylon.org/uploads/1/3/0/7/130776069/novisoxixok.pdf
- http://tulefasix.woodrockanimalrescue.com/uploads/1/3/1/4/131437987/mewiwuzebugazat.pdf
- https://cdn.shopify.com/s/files/1/0431/8940/3810/files/95488027201.pdf
- https://cdn.shopify.com/s/files/1/0427/5788/2022/files/18892234671.pdf
- https://cdn.shopify.com/s/files/1/0429/5009/9107/files/el_aire_que_respira_brittainy_c_cherry_gratis.pdf
- https://cdn.shopify.com/s/files/1/0435/5181/7883/files/82991578325.pdf
- https://cdn.shopify.com/s/files/1/0431/8121/1810/files/fogakewej.pdf
- https://cdn.shopify.com/s/files/1/0432/2341/6995/files/bob_ross_png.pdf
- https://cdn.shopify.com/s/files/1/0432/7079/9510/files/50374984179.pdf
- https://cdn.shopify.com/s/files/1/0434/4633/7693/files/ffxv_chocobo_race.pdf
- https://cdn.shopify.com/s/files/1/0433/6159/9656/files/zanogaguzu.pdf
- https://cdn.shopify.com/s/files/1/0430/0426/4602/files/751229838.pdf
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/4708762632.pdf
- https://cdn.shopify.com/s/files/1/0427/7462/6470/files/fidizamukijivufi.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_off00006405.binb4262620054245bba61d76f88f436d9138941e4124495fcfe0aa11060c7fafce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6405 | 5328 bytes |
font_01_sfnt_off00007637.bindc4c86782ef380e42451fc07a6af2c25e67794ea09c059efdf23536ff178b5be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7637 | 9660 bytes |
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