MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple critical heuristics for containing malicious redirector links and a large number of external links, indicative of a link farm. The document body contains a URL that leads to a redirector service, which is likely part of a phishing or scam campaign. 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=chinnari+chinnari+chiluka+naa+video+song
- http://files.sistersvacationrentals.net/uploads/1/3/1/4/131408100/3495205.pdf
- http://files.ediblegroup.net/uploads/1/3/0/9/130968968/6f69189c5988.pdf
- http://files.dontfeeloldinside.com/uploads/1/3/1/3/131383333/371974.pdf
- http://wifos.heyhagan.com/uploads/1/3/1/6/131606260/rekumebewoposovovew.pdf
- https://cdn.shopify.com/s/files/1/0437/7713/0658/files/48727198929.pdf
- https://cdn.shopify.com/s/files/1/0431/2743/9526/files/xogoturefegamedosurorinik.pdf
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/canela_de_velho_dosagem.pdf
- https://cdn.shopify.com/s/files/1/0429/4085/8527/files/tawujobozen.pdf
- https://cdn.shopify.com/s/files/1/0429/5491/5993/files/bitaxixorizajimasa.pdf
- https://cdn.shopify.com/s/files/1/0430/8526/7097/files/pakibexurodetunazaxupire.pdf
- https://cdn.shopify.com/s/files/1/0436/4225/7561/files/fabiduv.pdf
- https://cdn.shopify.com/s/files/1/0431/7852/4831/files/65484851598.pdf
- https://cdn.shopify.com/s/files/1/0431/1613/4562/files/85203611765.pdf
- https://cdn.shopify.com/s/files/1/0432/9488/4000/files/31806682615.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off0000626d.bin9c5d383ab722aa653c0f40c125ecbaeecb5a19c139520b86bc8320d7a388791e |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x626D | 2424 bytes |
font_00_sfnt_off000050b6.bin5501fc54d951d3f167ce46ec8dc1b046a04414ee419e1c00ac64cfc99c087e8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x50B6 | 5228 bytes |
font_02_sfnt_off00006d5a.bin6af8197e6045e8f0844e182ee6852b21d5a245887eefc71384a1b13526e77738 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D5A | 14476 bytes |
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