MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded links, with one identified as a malicious redirector. The document body, though obfuscated, contains text related to 'shipper letter of instruction', suggesting a lure for business-related phishing. The ML classifier strongly indicated maliciousness, and the presence of a link farm further supports a malicious intent to redirect users to potentially harmful sites.
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/wix?keyword=shipper+letter+of+instruction+templa
- https://static.usrfiles.com/ugd/5438e3_ea8569487abc4d15abd2672fc94f9561.pdf
- https://static.usrfiles.com/ugd/2b25b5_c3c72232f31448978b30ffb125e93a15.pdf
- https://static.usrfiles.com/ugd/b8c837_02c5162ab6da4f1a90a64da69f73a5f9.pdf
- https://static.usrfiles.com/ugd/c1108c_dde40a5e15a74f24b90e6fa9ac57ae7c.pdf
- https://static.usrfiles.com/ugd/b8c837_7939f6dd75bb4f98a9d5adffb1a465b1.pdf
- https://static.usrfiles.com/ugd/e3ff21_808f06ba154e4776bd42692f0e85671e.pdf
- https://static.usrfiles.com/ugd/b8c837_fb4d1231028042aa8fe9fca92ba0e1e0.pdf
- https://static.usrfiles.com/ugd/8b49c6_4eb179a8b7cd4ee5931b5cb732605c89.pdf
- https://static.usrfiles.com/ugd/dd4472_851db17173db4510a62e9bcc73394ff9.pdf
- https://static.usrfiles.com/ugd/80bfa9_190f02e0578d483484d4b9feb370c3cb.pdf
- https://static.usrfiles.com/ugd/0e2875_f36010fce6b741d8a65722c6b13f0de1.pdf
- https://static.usrfiles.com/ugd/b8c837_e47490436084408a993b77a382da9a7a.pdf
- https://cdn.shopify.com/s/files/1/0454/7008/9382/files/chale_aana_ringtone_female.pdf
- https://cdn.shopify.com/s/files/1/0434/5282/5750/files/al_akhbar_egypt.pdf
- https://cdn.shopify.com/s/files/1/0462/5625/9221/files/15641671166.pdf
- https://cdn.shopify.com/s/files/1/0440/2541/3782/files/llr_mock_test_ap_in_english.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_off00006ff3.bine501595c40c5fe8040e42153118605771178295d1b679786513b51c283a853b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FF3 | 5356 bytes |
font_01_sfnt_off000081fd.bin293d2b4b41ed1eb2bb4039332e4fcf022fe51c45897a987fdcfde79e0877bb0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81FD | 10528 bytes |
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