MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as "Cisco ccna 2 packet tracer answers" which points to `https://ttraff.ru/pify?keyword=cisco+ccna+2+packet+tracer+answers`. This link is designed to lure users to a malicious site. The document also contains a large number of links to PDFs hosted on Shopify, likely part of a link farm to improve SEO for malicious content. The ML classifier 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.ru/pify?keyword=cisco+ccna+2+packet+tracer+answers
- http://files.memoriesofvignacourt.com/uploads/1/3/1/0/131070938/gutunixejon-metatetujuwo-kewalavujetavap.pdf
- http://files.coldcomfortswhistler.com/uploads/1/3/1/6/131606687/755e77886309.pdf
- https://cdn.shopify.com/s/files/1/0432/6598/2632/files/rokazebawigadafuviriros.pdf
- https://cdn.shopify.com/s/files/1/0431/0292/9047/files/24478342507.pdf
- https://cdn.shopify.com/s/files/1/0431/7547/7405/files/guwagusizopewabodopog.pdf
- https://cdn.shopify.com/s/files/1/0428/2197/6220/files/diwugidewurux.pdf
- https://cdn.shopify.com/s/files/1/0433/4675/5734/files/sesid.pdf
- https://cdn.shopify.com/s/files/1/0443/6554/5628/files/puerperal_pyrexia.pdf
- https://cdn.shopify.com/s/files/1/0438/3378/6525/files/22169730037.pdf
- https://cdn.shopify.com/s/files/1/0431/1721/5905/files/77123579467.pdf
- https://cdn.shopify.com/s/files/1/0440/5841/1158/files/whirlpool_duet_sport_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/7809/0901/files/vim_copy_word.pdf
- https://cdn.shopify.com/s/files/1/0431/6574/5312/files/95222362520.pdf
- https://cdn.shopify.com/s/files/1/0441/3505/5512/files/84611193592.pdf
- https://cdn.shopify.com/s/files/1/0431/2881/5783/files/fonusexalepepuxovodedela.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_off00008475.bine434d4151dd58a4eb7947eefe97e5ec7d8952c32e4e40bb8f174153fff23d352 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8475 | 5088 bytes |
font_01_sfnt_off000095e3.bin9038a3f56af49be9c83eb36552eb65869119947ebad6c5d7604ed23a7272ae83 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x95E3 | 15280 bytes |
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