MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. Additionally, it exhibits a PDF link farm heuristic, indicating a large number of external links, many hosted on Shopify. The presence of a 'download button' lure further supports a malicious intent. The primary malicious IOC is the redirector URL, which likely serves as a gateway to a phishing page or malware download.
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=android+assets+absolute+path In PDF document text
- http://files.healthyhap-peanutrition.com/uploads/1/3/2/6/132681194/9058261.pdfIn PDF document text
- http://files.msbooksandart.com/uploads/1/3/1/3/131384442/vasuz-joxixelano-suzuxa-zugirom.pdfIn PDF document text
- http://files.outerbankslivemusic.com/uploads/1/3/2/8/132814826/04495a78d.pdfIn PDF document text
- http://jatuso.phusikosskincare.com/uploads/1/3/0/7/130738850/f2fe27c.pdfIn PDF document text
- http://files.optimisticliving.com/uploads/1/3/1/3/131380771/lujusaduzajeziw_kubelupig_zatetapapoli.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/1/0432/7230/6852/files/gebowum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6371/9574/files/61058561646.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2564/5211/files/37523118968.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3178/1791/files/past_present_future_perfect_tense_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8545/4757/files/66464667119.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/8400/8862/files/juxotekegu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9938/1146/files/canaanites_history.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8762/4344/files/kesibibisivuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1448/7198/files/assessment_monitoring_and_evaluation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9952/1181/files/sokutejizuzegeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7966/1736/files/48067958179.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 |
|---|---|---|---|
stream_003_off00007451.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x7451 | 9244 bytes |
SHA-256: 6fdfbf7cfffe697bbcf48849188849f1480dfecdf34b4293f38a84bbd894e59b |
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font_01_sfnt_off00009309.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9309 | 5176 bytes |
SHA-256: a8d3d277ed262d10129ceb0ad54305c6eda0babff12c2ab4b70688607861e908 |
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font_02_sfnt_off0000a491.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA491 | 10344 bytes |
SHA-256: be5a02f6d80cdb6ec00a2e6cf114a3f438c3cd3dc3326b0fb475aa886cbf3320 |
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