MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document contains a large number of embedded links, with one pointing to a known malicious redirector. The document body itself is heavily obfuscated but contains references to the malicious URL and numerous other PDF files hosted on shopify.com, suggesting a link farm or SEO manipulation tactic. The ML classifier also strongly indicated maliciousness.
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/pify?keyword=calvin+klein+high+top+platform+sneakers In PDF document text
- http://files.blackjacksautobody.com/uploads/1/3/0/7/130739697/vugifoteluwiwi-juvofelusude-nipuxofidugaxi.pdfIn PDF document text
- http://suzej.cisdbooksandbytes.org/uploads/1/3/1/3/131383613/8289789.pdfIn PDF document text
- http://gozunuku.tararuff.com/uploads/1/3/0/7/130776031/5805512.pdfIn PDF document text
- http://files.clbmg.com/uploads/1/3/2/8/132815807/5996800.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/1/0438/2107/2546/files/equilibrio_termico_ejercicios_resueltos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1471/7597/files/change_text_color_discord.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/8640/0936/files/alfred_marshall_libros.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5238/3902/files/fodowabapitiwigef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0113/3731/files/delanonolodutelenegita.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1868/9432/files/rita_mulcahy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1536/2984/files/broken_blade_of_heroes_vanilla.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6772/8279/files/kidiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8974/0441/files/dukaroxedebunuxof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1131/7658/files/tasawuf_imam_al_ghazali.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3345/1944/files/raxagaku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2631/7473/files/60579819463.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/6340/4694/files/34964071526.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_off000043da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x43DA | 5248 bytes |
SHA-256: 4054993e60306a5ea9d2dd3d0428f14db15c9c4d6f9d2592a999983f2527419f |
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font_01_sfnt_off00005594.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5594 | 8952 bytes |
SHA-256: f4df25eb3072c5dfe01fe84477ea70c93d20bda01134804ef051831ab370f16e |
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font_02_sfnt_off000073d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73D3 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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