MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains a lure for downloading an application, indicated by the 'SE_DOWNLOAD_BUTTON' heuristic and the document body text. It also contains a strong 'SE_MFA_LURE' heuristic, suggesting credential harvesting or MFA abuse. The 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic points to a malicious redirector URL, 'https://ttraff.ru/pify?keyword=aplikasi+whatsapp+plus+6.+70', which is likely the initial stage of the attack. The 'PDF_SEO_LINK_FARM' heuristic indicates a large number of embedded links, with 'https://cdn.shopify.com/s/files/1/0430/3316/5986/files/71197309823.pdf' being the first listed.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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=aplikasi+whatsapp+plus+6.+70 In PDF document text
- http://files.laxcoworking.com/uploads/1/3/1/0/131070284/11efc976d2.pdfIn PDF document text
- http://files.fusionpipeexperts.com/uploads/1/3/0/9/130969497/kuvetakas.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/1/0430/3316/5986/files/71197309823.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1764/9819/files/articles_with_geographical_names_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5787/2033/files/bokukatuxewevoduvepuvip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8371/7015/files/58237944554.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9629/4051/files/piriformis_syndrome_muscle_test.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6761/3089/files/braveheart_piano_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8833/9354/files/disney_annual_report_2015.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0495/2735/files/37307575950.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8095/8617/files/55252267877.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2534/9283/files/zerenanigipivevivelubu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6354/1917/files/debbie_harry_face_it.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6498/1664/files/form_disable_autocomplete.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6785/0390/files/58406745402.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3497/6157/files/28202272522.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1079/3382/files/tironi.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_off00006351.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6351 | 5364 bytes |
SHA-256: 80b845d8885f5822557d33836eefd8a9da0d652ecd17aad5c59d60c3555c5a86 |
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font_01_sfnt_off0000759f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x759F | 10048 bytes |
SHA-256: 931d106ef0a154e95e38109f09a0aa5a1505e6a2ed34e7725a683cebc72d46c0 |
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