MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document was flagged by a machine learning classifier as malicious. It contains a large number of external links, many with numeric slugs, indicative of a link farm or SEO spamming technique. The primary purpose appears to be to distribute a large volume of links to potentially malicious or low-reputation websites, rather than delivering a direct exploit or payload within the PDF itself. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://skinspiritlife.com/uploads/1/3/0/4/130483184/130483184.html#definicion+de+media+armonica+y+geometrica PDF link annotation
- http://www.expeditionfam.com/uploads/1/3/0/2/130288447/13c5215f5eebe4c.pdfIn PDF document text
- http://tri-valleyjewelryandmetalsmithingclasses.com/uploads/1/3/0/7/130775805/gufodovopatu-ragixewesu.pdfIn PDF document text
- http://reconcileaustraliaparty.org/uploads/1/3/0/6/130639408/tiwekuki.pdfIn PDF document text
- http://roommatestheshow.com/uploads/1/3/0/6/130603919/5645d83237fd4e.pdfIn PDF document text
- http://diapersanddogfood.com/uploads/1/3/0/2/130272271/gevexefu.pdfIn PDF document text
- http://proofpositiveakron.com/uploads/1/3/0/5/130588721/164922.pdfIn PDF document text
- http://beccakelley.com/uploads/1/3/0/6/130620750/gaxivojosopukar-pusikunazu.pdfIn PDF document text
- http://natgilbert.com/uploads/1/3/0/4/130436130/liwuzofam_xamiwefij.pdfIn PDF document text
- http://eecph.org/uploads/1/3/0/7/130739274/mobubezibumudexuwi.pdfIn PDF document text
- http://dawnwilcoxlcsw.com/uploads/1/3/0/9/130969804/4969517.pdfIn PDF document text
- http://bartlettelectric.org/uploads/1/3/0/4/130436271/zexavipex-buvoxe.pdfIn PDF document text
- http://bellovaporizer.com/uploads/1/3/0/6/130621584/vekuv_disilezilani_rifelawavuzarun.pdfIn PDF document text
- http://delseronline.com/uploads/1/3/0/5/130542729/8971664.pdfIn PDF document text
- http://mrviolinsd.com/uploads/1/3/0/7/130776875/5697978.pdfIn PDF document text
- http://e-qm.be/uploads/1/3/0/6/130604161/zefusorelaze.pdfIn PDF document text
- http://www.ranchcandy.com/uploads/1/3/0/5/130589133/e7c65c2f724b66.pdfIn PDF document text
- http://treasurehunthongkong.com/uploads/1/3/0/2/130270887/399e205058b3b.pdfIn PDF document text
- http://positiveenergyny.com/uploads/1/3/0/2/130291712/32261.pdfIn PDF document text
- http://canberrajewishcommunity.org/uploads/1/3/0/6/130604079/wefufa.pdfIn PDF document text
- http://angoloitek.com/uploads/1/3/0/4/130435548/pojizu.pdfIn PDF document text
- http://www.birminghamobediencetrainingclub.com/uploads/1/3/0/7/130775407/6774691.pdfIn PDF document text
- http://www.my-home-cooking.com/uploads/1/3/0/3/130323141/668925.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007970.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7970 | 9068 bytes |
SHA-256: afec33353b228df844b0062ffe6eeba2035caa8dbdb604010932705ca50a0724 |
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font_01_sfnt_off00009a73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A73 | 3104 bytes |
SHA-256: e4e0fc6f62dbd1925d544a400eed3d2e1495cb256299968c7a35a52bebce31cb |
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font_02_sfnt_off0000a4f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4F9 | 16096 bytes |
SHA-256: 65ca2fa633a49bc637c245e3469a24bec82cbb291b9200d770c42ee2df1588ac |
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