MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, identified as a link farm, that redirect to various external URLs. One prominent URL is https://ttraff.com/wb?keyword=2014%20nissan%20versa%20maintenance%20manual, which appears to be a lure for search engine traffic. The presence of a large number of links to potentially unrelated PDF files suggests a tactic to inflate search engine rankings or distribute malicious content indirectly. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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/wb?keyword=2014%20nissan%20versa%20maintenance%20manual In PDF document text
- http://files.bargeattitanic.com/uploads/1/3/2/6/132682040/tuzamemizux.pdfIn PDF document text
- http://files.geoffalainllc.com/uploads/1/3/0/8/130814591/wilujekasig.pdfIn PDF document text
- http://files.425sqn.org/uploads/1/3/0/8/130814642/zotazaboma.pdfIn PDF document text
- http://files.skipstonepublishing.com/uploads/1/3/1/3/131380032/5723668.pdfIn PDF document text
- http://files.mthomesandland.com/uploads/1/3/1/4/131454255/kaxufetaxu.pdfIn PDF document text
- http://files.restauranthibiscus.com/uploads/1/3/0/7/130776841/5106130.pdfIn PDF document text
- http://files.unitedvisionaryarts.com/uploads/1/3/0/7/130738988/443ffd9a260.pdfIn PDF document text
- http://files.centrepointecincinnati.com/uploads/1/3/1/4/131406413/e08b8.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://sisakapajaw.files.wordpress.com/2020/06/47967008860.pdfIn PDF document text
- https://liropija.files.wordpress.com/2020/07/35506951254.pdfIn PDF document text
- https://sipuvomo.files.wordpress.com/2020/07/posisobokugavew.pdfIn PDF document text
- https://weberex.files.wordpress.com/2020/06/34930366763.pdfIn PDF document text
- https://xoxufasi.files.wordpress.com/2020/07/zidatu.pdfIn PDF document text
- https://sixidoda391439585.files.wordpress.com/2020/06/88584862588.pdfIn PDF document text
- https://zuxejububen.files.wordpress.com/2020/06/80395593976.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4932/0610/files/18034928855.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/90442425312.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87463685859.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/buwukepenarunowara.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wozofedotomutigetipire.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005041.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5041 | 5096 bytes |
SHA-256: acde42936a1b696b30c3a9e78db06a15c0096dc913c7e63d2b2ddbb734656399 |
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font_01_sfnt_off00006177.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6177 | 10080 bytes |
SHA-256: 8cac19869127a9b8d2521ea43c0c7141de17156899476a3c00409880f52f525b |
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