MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to external resources, which is indicative of a link farm or redirection scheme. One prominent URL, https://ttraff.ru/wb?keyword=robinair%2034700%20parts%20manual, is flagged as a malicious redirector. The document body, though partially corrupted, contains text related to a 'Robinair 34700 parts manual', suggesting a lure to disguise the malicious links. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
-
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.
-
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.
-
Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
-
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.
-
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.ru/wb?keyword=robinair%2034700%20parts%20manual In PDF document text
- http://gonujin.karolenakuhn.com/uploads/1/3/1/4/131483083/4716a3c0e0c.pdfIn PDF document text
- http://files.bradfordscholarship.org/uploads/1/3/2/6/132681456/5622002.pdfIn PDF document text
- http://files.aloenottingham.com/uploads/1/3/1/6/131637168/murulalirovotefexise.pdfIn PDF document text
- http://bedeziku.office-alliance.com/uploads/1/3/1/6/131637354/deraxonafegitulox.pdfIn PDF document text
- http://files.dreamcollegedisability.org/uploads/1/3/0/9/130969724/xuparoz_gesusukoje_wapasune.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8152/2599/files/92105016155.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1020/3556/files/towog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6508/9949/files/32010575567.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0610/7552/files/architectural_graphics_ching.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3699/0885/files/nikakefexixojapodoxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6302/4542/files/vezujozawalifejopesoviz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3397/7255/files/31103223222.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7904/9121/files/weranewusudomezun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2314/6906/files/vamesivolaliwurubova.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vabagibad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6535/2093/files/gidoxidim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5523/4710/files/lapefikirajipipu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7212/6117/files/biology_book_of_class_11_12_in_bangladesh.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8149/6744/files/zepobenuruvonisatadis.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_off000063c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63C0 | 5584 bytes |
SHA-256: 296f771dac69f12605658e87ed78f4dbe34dc83689ed67ec1becdcb4d6f8b912 |
|||
font_01_sfnt_off0000769e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x769E | 10756 bytes |
SHA-256: e90ec357eff8699d690816412b880ad26983a8e0c0f33871bd6f9db719486063 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.