MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, identified as a PDF link farm. One of these links, 'https://ttraff.ru/pify?keyword=call+recorder+apk+android+9', points to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'call recorder apk android 9', suggesting a lure to download potentially unwanted or malicious applications.
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=call+recorder+apk+android+9 In PDF document text
- http://files.alishahmalik.com/uploads/1/3/2/3/132303013/lozidaninuf.pdfIn PDF document text
- http://files.morethansoulfood.com/uploads/1/3/1/3/131383514/fb31e59a8.pdfIn PDF document text
- http://files.miquellesbathbodyandmore.com/uploads/1/3/1/4/131406780/eb4b4dee46e.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/1/0428/9835/8432/files/nudukesobiji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9820/1502/files/75591175785.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9765/2376/files/volerobi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4525/6352/files/pavuvogutuzoragow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2412/9946/files/melolugoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2451/5229/files/fijizeren.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5900/4070/files/xixarafodataluropivuzofe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0645/1094/files/jejugopabakasawitisi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4094/8892/files/36607549415.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6255/0940/files/sefedi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7338/6136/files/xopubilogaxukazuxajef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4829/6857/files/84709934435.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4781/3269/files/67870898694.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
🗂 Part of campaign:
charhdof.com
3 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000073c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73C1 | 4840 bytes |
SHA-256: 35601bd0ea87c5bbad5bd69ec3e9bd31dfdad4f9886997f0250bc69bcf9e3e1b |
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font_01_sfnt_off00008432.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8432 | 10528 bytes |
SHA-256: 7d088dcb91b6af8b4a7ca543bddf5fbc6af6ec488b5add4ba7ba1d63c9af527f |
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font_02_sfnt_off0000a81f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA81F | 16164 bytes |
SHA-256: 6e3fbd491d8b71441998836ddca0d0c102716a221ea14f8143929167ad9a79b3 |
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