MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with one identified as a malicious redirector and others forming a link farm. The primary malicious link is https://ttraff.ru/wb?keyword=html%20server%20controls%20in%20asp.net%20pdf, which likely leads to further malicious content. The presence of numerous links, many hosted on cdn.shopify.com, suggests an attempt to manipulate search engine results or distribute malware through a large network of seemingly benign documents.
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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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/wb?keyword=html%20server%20controls%20in%20asp.net%20pdf In PDF document text
- http://files.nicholasalfredo.com/uploads/1/3/1/4/131438539/9987337.pdfIn PDF document text
- http://files.cyber-cy.com/uploads/1/3/0/8/130814297/zitaxawoga.pdfIn PDF document text
- http://mafural.womenmakingascene.com/uploads/1/3/1/8/131871390/321292.pdfIn PDF document text
- http://waboze.mtmacedondawnservice.org/uploads/1/3/0/7/130776485/4038846.pdfIn PDF document text
- http://files.windstonehoa.org/uploads/1/3/1/4/131406449/2323204.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/1/0428/6405/0332/files/fazugamulazi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0555/8436/files/rarox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8919/9268/files/69365373989.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6484/2647/files/arabic_french_bilingual_visual_dictionary.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5761/7823/files/text_abbreviation_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7812/3680/files/1486985005.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0473/1300/files/busixokutijebifobuvef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4389/8019/files/assets_and_liabilities_in_balance_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5746/3971/files/lupanibulurudurujisu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1945/3095/files/62807594431.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7451/8180/files/asignaturas_psicologia_uned.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2562/0374/files/the_amory_wars_volume_1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9316/4181/files/ratogemadefejosagofuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4718/1718/files/60550571189.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_off0000746c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x746C | 5352 bytes |
SHA-256: 6933c89e758b6d8e0b1eb0131ec8150bbeedba9f093da10f64009ee9119299cd |
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font_01_sfnt_off00008687.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8687 | 26248 bytes |
SHA-256: 85bbaa072a718d8afd8a20a0732bb0c6367e8ae107e5e7f9b659c76c5868c1cf |
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