MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=arabic+vocabulary+in+english+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs hosted on domains like cdn.shopify.com and various other file-hosting sites. The document body, though heavily obfuscated, contains the same malicious URL, reinforcing the intent to redirect users to potentially harmful content.
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=arabic+vocabulary+in+english+pdf In PDF document text
- http://files.palmettoswingevents.com/uploads/1/3/0/8/130874587/5869242.pdfIn PDF document text
- http://files.mrsteadman.com/uploads/1/3/1/4/131438059/4352516.pdfIn PDF document text
- http://files.adelaide-pilates.com/uploads/1/3/0/7/130739761/zijupepojumoviziwese.pdfIn PDF document text
- http://koruzi.johnmrinaldi.com/uploads/1/3/0/7/130738524/fetaleb.pdfIn PDF document text
- http://pevaros.safeharborpaymentsystems.com/uploads/1/3/1/3/131383664/beronuwigufunoxuz.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/1/0434/7658/2560/files/xetodomirepunoxitewab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3692/6374/files/60121633489.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8321/9619/files/37249891555.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6717/1223/files/53327750970.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/54171278856.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9041/0658/files/online_ebooks_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4312/5405/files/21073377205.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0088/9507/files/74303014445.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2260/6759/files/les_60_aliments_les_plus_riches_en_potassium.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9641/6157/files/les_animaux_fantastiques_livre.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9531/7927/files/tipos_de_valores_morales.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5362/2182/files/sofejalesugepaji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5307/2022/files/lugekubagegakobisenug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9689/9745/files/55358300523.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3532/8663/files/anemia_ferropenica_dieta.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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_005_off0000b4cb.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xB4CB | 31020 bytes |
SHA-256: 937ff61d7b55b0c65d9b3e7cdd7303f6c1ec5e2067a5d9f755bb0df8ace867d7 |
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font_00_sfnt_off00007449.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7449 | 5708 bytes |
SHA-256: 88699b54a8ed29c843364d559800d1dd3d68504063f892ded85cdbad44b8842b |
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font_01_sfnt_off000087bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87BC | 14736 bytes |
SHA-256: 4609b66551ba41c5ce1fb9d304506a3d780153b72a99c5e39fdf4776d190dcf8 |
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