MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK pointing to 'ttraff.ru'. This indicates a phishing or social engineering attempt to redirect the user to malicious infrastructure. The PDF_SEO_LINK_FARM heuristic further suggests a large number of outbound links, likely for SEO manipulation or to obscure the malicious redirector. The ML_NYX_PDF_MALICIOUS score of 0.999984 strongly supports the malicious classification. No scripts were extracted, limiting the analysis of direct payload execution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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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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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.
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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.ru/pify?keyword=access+database+engine+2013+free In PDF document text
- http://posudulig.carswellfitness.com/uploads/1/3/0/8/130874359/f15d24.pdfIn PDF document text
- http://files.citizenstoabolishredlightcameras.com/uploads/1/3/0/7/130775747/3609296.pdfIn PDF document text
- http://files.waupungymnastics.com/uploads/1/3/0/7/130776883/pigafideda.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0431/6758/0322/files/wabomasodikep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1594/6918/files/analytical_geometry_3d_vector_calculus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6203/4589/files/dezoxizuwujonefafeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9822/7353/files/41792620143.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9892/2392/files/puguzepegenozano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6762/7928/files/ranezagetew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1312/8863/files/anthropometry_journal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0504/8989/files/aacomas_personal_statement.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3531/8689/files/fesuzasekuguni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7922/1927/files/pusaje.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c56a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC56A | 5452 bytes |
SHA-256: aa1adb71e4ebdf19c52a523ffb96addc5b8d1ae43d32269ca437342edac331b6 |
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font_01_sfnt_off0000d7f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7F4 | 13508 bytes |
SHA-256: f69d122603f94c5718919986ecc75d24d66fbe7151d63a0933a3d0f9d27d3f25 |
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font_02_sfnt_off000102c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102C5 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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