MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, with critical heuristics indicating it functions as a redirector to malicious infrastructure and a link farm. The ClamAV detection and ML classifier further support its malicious nature. The document body is heavily obfuscated and does not provide clear textual lures, but the presence of numerous external links strongly suggests a phishing or spamming intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://traffine.ru/123?utm_term=volunteer+in+spanish+past+tense In PDF document text
- https://static.s123-cdn-static.com/uploads/4501810/normal_5fc8a4d2c237b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369522/normal_5f9bcc63e38a9.pdfIn PDF document text
- https://waridiregap.weebly.com/uploads/1/3/4/0/134095836/sitowe-betupiturilonet-punajelasujuf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417319/normal_5fb45b67605ac.pdfIn PDF document text
- https://juporolo.weebly.com/uploads/1/3/1/3/131380745/3768589.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/dutimajizowa/83423538906.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbfd6e2c6d96458361c2338/t/5fc161ffa97599144e2b427f/1606509056580/rokitulix.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd093bef3361272aedc33f/1606224189276/xiparomesonajanese.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc5aba47d0c8f249d617a7e/t/5fc686cf64571256541eb193/1606846160212/66061030766.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc781772122570d580291d1/t/5fcfd7a54211f360f68ec769/1607456677853/lockscreen_black_tumblr_wallpaper.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc5932f0b6b03258f55155a/t/5fccc14c8a55f2188b74eba4/1607254349983/88624684819.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc0f88bd26ff1194f740ef3/t/5fc135b13f75b16643004b13/1606497714672/zuvol.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd064a9d104e5f152f03c4/1606223434489/super_mario_64_wad_rom.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc2a463ff13940aa24ac9c7/t/5fcbfae124c49707d309b7e9/1607203557416/go_cash_loans_reviews.pdfIn PDF document text
- https://s3.amazonaws.com/perurulexi/hd_wallpaper_full_screen_for_android.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc11628df132613bbbed3cd/t/5fc919e626feeb2c21f53d4f/1607014891304/memoir_44_winter_wars_unboxing.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c392.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC392 | 3312 bytes |
SHA-256: a14950173e5d1d1f1c70576ac3dafa31bb0aa6ece26b8d12516862096ecff79f |
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font_01_sfnt_off0000cf73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF73 | 4872 bytes |
SHA-256: 4a77dc74320bb1b102e6c91dc8cbf151f5753721697d49f3c2ef70381db515a0 |
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font_02_sfnt_off0000dffc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFFC | 14440 bytes |
SHA-256: 7cbb1b39ecac23782961865a424abcf93e7ac6cecd9d9dc609695540bb389321 |
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font_03_sfnt_off00010eb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EB4 | 16704 bytes |
SHA-256: f45187597d4bf25fcb4cf3b9e3f6a831fd1e740024067e76ee4abb6ceb3b08ef |
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