MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one identified as a malicious redirector (ttraff.com). The document body, though heavily obfuscated, also contains this URL, suggesting it's a primary lure. The presence of numerous external PDF links, many hosted on shopify.com, indicates a link farm strategy. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector as the primary attack vector.
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=big+balls+song
- http://files.budderpros.net/uploads/1/3/1/4/131438840/bugufodatezik.pdf
- http://files.durhamshowcasefestival.com/uploads/1/3/0/7/130775180/6742707.pdf
- http://files.sharmalabuw.org/uploads/1/3/1/3/131382721/lowikeju_wikurusomuded_bosotebuga.pdf
- http://files.theworldofmcewan.com/uploads/1/3/0/7/130738814/gibaja_tawix_wododibura_musimetal.pdf
- https://cdn.shopify.com/s/files/1/0430/6763/7917/files/92089677380.pdf
- https://cdn.shopify.com/s/files/1/0428/1827/3446/files/42672823707.pdf
- https://cdn.shopify.com/s/files/1/0430/2703/8369/files/87957507985.pdf
- https://cdn.shopify.com/s/files/1/0429/8421/0583/files/8085964340.pdf
- https://cdn.shopify.com/s/files/1/0431/7849/2062/files/3852223439.pdf
- https://cdn.shopify.com/s/files/1/0428/5035/3318/files/94134859689.pdf
- https://cdn.shopify.com/s/files/1/0431/3631/9645/files/robidavetarufugitotezaz.pdf
- https://cdn.shopify.com/s/files/1/0433/8758/4675/files/tecumseh_carburetor_adjustment_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/4945/0661/files/46311533500.pdf
- https://cdn.shopify.com/s/files/1/0433/9279/4774/files/23128342087.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_off00008295.bin13ce23fe633328d3be6d4f2f5a207070e6bffc95545848a3d0f17c3430824848 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8295 | 4944 bytes |
font_01_sfnt_off00009381.bin8662d3621001ad2da827460897be0d47549ba0cf14fa699d43515ca7706e3037 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9381 | 10592 bytes |
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