MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting a phishing or scam attempt. The presence of a 'download button' lure further supports this. The primary malicious URL identified is https://ttraff.ru/pify?keyword=amoeba+sisters+enzymes+pdf, which is linked to known malicious infrastructure. No scripts were extracted, but the document structure and embedded links point to a social engineering attack.
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=amoeba+sisters+enzymes+pdf In PDF document text
- http://files.libertyhealthandbeauty.com/uploads/1/3/1/4/131438449/ramasuza.pdfIn PDF document text
- http://files.vmp-events.com/uploads/1/3/1/4/131453907/pirugopojuwadu_vanolojisuz.pdfIn PDF document text
- http://suzimofu.coscinecreative.com/uploads/1/3/1/4/131453247/32e25e611d.pdfIn PDF document text
- http://files.aweonline.com/uploads/1/3/1/3/131380849/97e931cc63602f.pdfIn PDF document text
- http://files.sags.org.uk/uploads/1/3/1/1/131164488/b9d0cec.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/1/0431/8347/2802/files/10903964037.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/3493/1363/files/azoospermia_definicion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4191/4006/files/tukumupepaxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5880/7455/files/ruxesupuwagufirujope.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2342/5955/files/64659086845.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4777/8469/files/bajoxiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/8133/0841/files/postman_api_documentation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5564/3813/files/70781395432.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4411/8434/files/class_score_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0706/5760/files/chemistry_equations_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/3337/4369/files/how_to_do_chakra_meditation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3692/6374/files/zulixidiferezuguranelul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6372/8545/files/77171903401.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_off0000d0e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0E7 | 5436 bytes |
SHA-256: 8dfad76258d03891ef34be70cb00f81f34c04ffe40ae22ecc97542dcd122570d |
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font_01_sfnt_off0000e355.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE355 | 10368 bytes |
SHA-256: aefcd005bef661ee9650bbe1b3ebbbfa4ce6aec13fb8d7a797cecd69e98d52c3 |
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