MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This link is presented within the document body, disguised as a download for 'Whatsapp messenger for android'. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, some of which host further PDF files. The presence of a visual download button heuristic further supports the lure-based attack pattern. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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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.com/pify?keyword=whatsapp+messenger+for+android+2.+3.+3 In PDF document text
- http://files.ruinsofmodernity.com/uploads/1/3/2/8/132814977/mubuvuzuriw-miligute-visexuriwodi-midovetawa.pdfIn PDF document text
- http://files.freebirdcollectibles.com/uploads/1/3/1/4/131455832/xunusomukoj.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/1/0433/0687/7080/files/zobuwavidojanunixi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4610/8312/files/20443938197.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1639/6697/files/vafinaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2736/5031/files/adobemaker_add_in.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1216/1685/files/mick_jenkins_martyrs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8371/7015/files/44974709969.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/4054/1593/files/calendario_2020_imprimir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8561/7566/files/29982683450.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6971/8172/files/vocabulary_jobs_and_professions_exercises.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8309/4434/files/short_story_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1025/1176/files/vexetulonesaluv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8477/4552/files/flow_chart_template_microsoft_word.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8524/2269/files/vurabezawobalejurivomejub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6884/0353/files/dp_animation_maker_with_serial_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5804/3807/files/m16_blueprints.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_off00005fb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FB0 | 5764 bytes |
SHA-256: 1db26c5e3ca5bda19526e396d57a10d0f259dd132a091a3d7c34661eadfff533 |
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font_01_sfnt_off0000733a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x733A | 10292 bytes |
SHA-256: 0b61dbfa5dafb486ad027f52d450be87b892601587e1834d5da40578dde5ded1 |
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