MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF file contains a large number of embedded links, identified as a 'PDF SEO Link Farm'. One of these links, 'https://ttraff.ru/pify?keyword=adenosine+mechanism+of+action+pdf', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create PDFs from web content. The combination of a link farm and a malicious redirector indicates an attempt to drive traffic to harmful sites, likely for phishing or malware distribution.
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/pify?keyword=adenosine+mechanism+of+action+pdf In PDF document text
- http://files.slsfnc.com/uploads/1/3/1/3/131379740/9295056.pdfIn PDF document text
- http://files.nadiamatar.com/uploads/1/3/1/8/131857199/pelimozuza_gigezodoku_vuzimemotu_navaxoxaviji.pdfIn PDF document text
- http://files.pittelwilkinson.com/uploads/1/3/1/4/131437599/9010779.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/1/0428/8764/3302/files/puximoxigojigawuxozugogo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9318/7989/files/67846517522.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4007/2092/files/pefegidefipakerekan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7708/4070/files/20245203766.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rinubigelezegir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3861/3399/files/56380905774.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9660/4825/files/28983128779.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7400/2837/files/tonejalevuzofilanironozu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/35031547028.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4276/7001/files/37056168531.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6689/2186/files/xetovuropixe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0832/7829/files/49365316851.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3810/3962/files/93899007974.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
- 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_off0000b0dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0DC | 5044 bytes |
SHA-256: 7d9bf6130d24e6abd3b1dafd4b46156ff2cb20f3463dffc46e09c99441d1b211 |
|||
font_01_sfnt_off0000c1d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1D1 | 13380 bytes |
SHA-256: e7a2e5358a90db969ef1cb818feb8fa6d67522f8afe2e83ba4756b9b08bcb39d |
|||
font_02_sfnt_off0000ed76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED76 | 16160 bytes |
SHA-256: f80b9f84d6ea16074f67da7a904ab41e14e5a44612b81a97f195d72f9bd2a496 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.