MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1105 Ingress Tool Transfer
The PDF contains a large number of external links, many of which are algorithmically generated and point to other PDF files. This suggests a link farm or SEO manipulation tactic, potentially to distribute malware or drive traffic. The ML classifier also strongly indicated maliciousness.
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://mondzorgdemarne.com/uploads/1/3/0/7/130775540/130775540.html#mac+time+capsule+manual
- http://hostmaster.beautifulrooms.london/uploads/1/3/1/3/131383480/9371674.pdf
- http://googletaxicabs.com/uploads/1/3/0/6/130622032/274c07052087.pdf
- http://261.undesirable.us/uploads/1/3/0/4/130483052/nawofopisova_lupowusebikudib_retetu_rafabuvisevapak.pdf
- http://watercalm.org/uploads/1/3/1/4/131437233/37de747a4f.pdf
- http://mta155.qualitynow.net/uploads/1/3/0/4/130488832/vezidategukiti-nazagoro-tevulozitu-mapirizuwunen.pdf
- http://dudetree.com/uploads/1/3/0/7/130740492/2708003.pdf
- http://bigcitygraphics.ca/uploads/1/3/0/7/130739987/123cfdb216b93.pdf
- http://admin.hwupenyuproject.org/uploads/1/3/0/6/130639784/paxapuselipegi.pdf
- http://iamkennywilson.com/uploads/1/3/1/3/131380598/ruwixoxasanul.pdf
- http://excellent-fullyloaded.com/uploads/1/3/1/3/131383761/0bc18f.pdf
- http://connectedcommunicationsconsultants.com/uploads/1/3/0/4/130483963/naxukisugufebaj.pdf
- http://www.typoland.com/http://www.typoland.com/designers/Lukasz_Dziedzic/Copyright
- http://www.typoland.com/
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006558.binde6aacb5a55f55b98bf3ae384f96a51051c900e5a59c241f5198d539ce1a3af5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6558 | 6168 bytes |
font_01_sfnt_off000074f8.bin64a6601cee433a2ec64d7c7dc34f8cc86430d72a2d931ed7088ec1fad519b458 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74F8 | 4760 bytes |
font_02_sfnt_off0000850f.bind90ac8df87c2d61e75668498f6a8e03cb98ead9a9770059706dea8d9b261c02e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x850F | 10320 bytes |
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