MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. This link is presented in the document body and is designed to lure users into downloading potentially malicious content, disguised as a VPN proxy for Android. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources.
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=betternet+vpn+proxy++for+android
- http://files.mariamirojohnson.com/uploads/1/3/2/7/132740778/fcc5ccd4427dc.pdf
- http://nixubut.bookworldtravel.com/uploads/1/3/2/8/132815296/jalufaxog.pdf
- http://files.laocdb.com/uploads/1/3/1/0/131069879/zixezaxorevol.pdf
- http://files.cosmicsquirrelceramix.com/uploads/1/3/1/0/131071243/wuberiwutomaja.pdf
- http://files.coachseril.com/uploads/1/3/0/8/130873908/4766831.pdf
- https://cdn.shopify.com/s/files/1/0440/9311/2472/files/negixarasebigoxe.pdf
- https://cdn.shopify.com/s/files/1/0430/9427/8293/files/89841865561.pdf
- https://cdn.shopify.com/s/files/1/0437/6471/1575/files/imo_video_call_messenger_free.pdf
- https://cdn.shopify.com/s/files/1/0430/4361/8965/files/28851357681.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lonuxifipepi.pdf
- https://cdn.shopify.com/s/files/1/0431/7829/5450/files/41851984417.pdf
- https://cdn.shopify.com/s/files/1/0430/9162/4096/files/47869907246.pdf
- https://cdn.shopify.com/s/files/1/0431/5326/0706/files/12172184180.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/87745409623.pdf
- https://cdn.shopify.com/s/files/1/0430/3529/5905/files/guided_writing_linking_words.pdf
- https://cdn.shopify.com/s/files/1/0434/4545/2967/files/74579166371.pdf
- https://cdn.shopify.com/s/files/1/0427/6633/6167/files/40945989486.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_off0000568e.bin25810ee586d20d1d944191aa0b77dca14ba763f7471e3afcda7a6dd62c74e984 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x568E | 5104 bytes |
font_01_sfnt_off0000680b.bin78b6c10c3c5ffbc0da700c23cefa2a39c5170fe54788dfb5544b7df68e36ec78 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x680B | 10580 bytes |
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