MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file exhibits characteristics of a link farm, embedding a significant number of external links. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=celebrated+chop+waltz+pdf'. The presence of numerous links, including one pointing to a known malicious redirector, strongly suggests an attempt to lure users to malicious sites. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of specific user-facing lures.
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=celebrated+chop+waltz+pdf In PDF document text
- http://bebela.totnessvintage.com/uploads/1/3/1/4/131407089/6388323.pdfIn PDF document text
- http://files.hoperod.com/uploads/1/3/1/4/131453907/daxunagiz.pdfIn PDF document text
- http://sapefo.jarrellfootball.com/uploads/1/3/1/3/131379179/vumapesixetonuk.pdfIn PDF document text
- http://files.procleanrexburg.com/uploads/1/3/2/3/132302718/sopuzedokosoboxiba.pdfIn PDF document text
- http://files.sylvanherskowitz.com/uploads/1/3/1/4/131407080/vufapiposar.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/1/0431/3127/3365/files/xugopekatafixolanos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9394/0641/files/wafabopeto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0441/8459/files/auxiliares_del_comercio.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0987/5873/files/xazizazakiwobowezaxadata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6649/0006/files/kosadedubajekifagupof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6548/3172/files/25062536057.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1282/4993/files/knowing_the_living_god.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/0937/1286/files/gcse_chemistry_structure_and_bonding_questions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3864/4136/files/tosug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0636/9703/files/bascule_rsh_maitre_esclave.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5657/8206/files/tisomefiwagefoketit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3552/5282/files/19737126639.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_off000064dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64DD | 5504 bytes |
SHA-256: d1ba2fb66e7d3d79a54efdd409b7cff50e9a64c6ad1f5ee9472f758ca1bb3dce |
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font_01_sfnt_off00007831.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7831 | 5252 bytes |
SHA-256: 68f447d2bfe707e0c6cf51f715dfc7a1e9e935b155f44308fe2d164d9848ab33 |
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font_02_sfnt_off00008a19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A19 | 10076 bytes |
SHA-256: 2f1f6b9fe5d69ac592bd173ce2cae700df317446608753e9026b0fc6550861b5 |
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