MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of external links, many of which point to similarly structured URLs on various domains, indicating a link farm or SEO abuse tactic. The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains a URL that appears to be a lure for a textbook test bank, likely intended to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 4
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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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External URI info PDF_URIPDF contains an external URL action
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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 http://mobility-partner-program.com/uploads/1/3/0/2/130287426/130287426.html#human+development+a+lifespan+view+7th+edition+test+bank
- http://sdstategreeks.com/uploads/1/3/1/4/131438874/bd2a33ce0e54f.pdf
- http://ldsdailyscripture.org/uploads/1/3/0/6/130604251/detaredomejoku-jiwajedurasaga-gojopididef-boduselubivumod.pdf
- http://bethcasteel.com/uploads/1/3/0/5/130590456/nagone_fabomarip_buluzazekidabu.pdf
- http://jfongsg.com/uploads/1/3/0/6/130639803/aaf0b853a506.pdf
- http://cpanel.onecoopedchick.com/uploads/1/3/0/7/130740375/8ff22.pdf
- http://harrisonyearbook.com/uploads/1/3/1/3/131380689/seladigulimepozo.pdf
- http://austinpanthersgarcia.com/uploads/1/3/0/6/130639540/1a5ed6e.pdf
- http://premiertravelescapes.info/uploads/1/3/1/4/131409621/7914394.pdf
- http://sxull.net/uploads/1/3/0/3/130312991/f649f77213d446.pdf
- http://mobility-partner-program.com/uploads/1/3/0/2/130287426/terms.html
- http://mobility-partner-program.com/uploads/1/3/0/2/130287426/dmca.html
- http://mobility-partner-program.com/uploads/1/3/0/2/130287426/policy.html
- https://vovikipima.files.wordpress.com/2020/06/15889954225.pdf
- https://badiwilam.files.wordpress.com/2020/06/govonok.pdf
- https://zimugubenuze.files.wordpress.com/2020/06/74319657678.pdf
- https://pejeririp285269328.files.wordpress.com/2020/06/denanekoxuvagifikoraz.pdf
- https://nibijolor.files.wordpress.com/2020/06/borojavigo.pdf
- https://lomifaka595990757.files.wordpress.com/2020/06/zodofa.pdf
- https://vomoxutufago.files.wordpress.com/2020/06/sexezixojinigopimodopa.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_off00012a18.bindf40920f4fda2eaa58beac79e7165a54503234f1d3de20bd22bcfa694d5140c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A18 | 11892 bytes |
font_01_sfnt_off00015127.binc988415812f594187b0a0ed75dc52802e798e1695b49bd300f8412a65040a449 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15127 | 16204 bytes |
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