MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a deceptive title related to 'bass boosted app apk' and embeds a large number of external links. One of these links, https://ttraff.ru/pify?keyword=bass+boosted+app++apk, is identified as a known malicious redirector. The document's structure and embedded links strongly suggest a phishing or malware distribution attempt, leveraging a link farm to obscure the ultimate malicious destination.
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=bass+boosted+app++apk In PDF document text
- http://files.the60four.com/uploads/1/3/0/9/130969185/nanaz.pdfIn PDF document text
- http://towebet.stoneofhopeyouth.org/uploads/1/3/1/4/131409236/2c949748ced5e.pdfIn PDF document text
- http://files.heartlandchurchnetwork.org/uploads/1/3/2/8/132814387/a72f5b06681.pdfIn PDF document text
- http://files.terapiaregresiva.org/uploads/1/3/0/8/130814290/daradipi.pdfIn PDF document text
- http://files.wordsfailphotography.com/uploads/1/3/2/7/132712080/8370586c0.pdfIn PDF document text
- http://joyofandroid.com/best-bass-booster-apps-for-android/OnceIn 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/1/0428/9980/0217/files/laboratory_diagnosis_of_entamoeba_histolytica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2724/2906/files/misty_mountain_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6802/3194/files/bawos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3517/1738/files/agriculture_books_in_urdu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nimapudusakodinufuzexive.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3501/7895/files/screenshot_windows_xp_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3174/6967/files/91297052565.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3199/4280/files/32444884907.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8956/7650/files/fufipipatulipotewoboto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8299/7148/files/gentlemen_prefer_blondes.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005eab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EAB | 5080 bytes |
SHA-256: 14f0ff5a2667a274c33ebc067dc26a7ee10867294c90b8bef843c57258d15250 |
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font_01_sfnt_off00006ff9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FF9 | 11088 bytes |
SHA-256: 5b5c096e212d4a2c2e2a195334ed0ef2833824f0c3e846d262425347e48705c6 |
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font_02_sfnt_off0000961d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x961D | 16092 bytes |
SHA-256: 39b2f4b99ee08965fd4836f89f628a00cde8346cb181131bba0308e80db8fb67 |
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