MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One of the primary links, https://ttraff.ru/pify?keyword=best+chat+apps+for+android+phones, is identified as a malicious redirector. The document body, though partially corrupted, contains text related to 'best chat apps for android phones' and the malicious URL, suggesting a lure to drive traffic to malicious infrastructure. 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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=best+chat+apps+for+android+phones In PDF document text
- http://wowalo.johnhunterdesign.com/uploads/1/3/1/4/131438216/kuvujutimuf.pdfIn PDF document text
- http://fesod.avhabitat.org/uploads/1/3/1/4/131437778/7555452.pdfIn PDF document text
- http://pemonena.mrscainsclass.com/uploads/1/3/1/6/131606407/1945971.pdfIn PDF document text
- http://files.litzmusic.com/uploads/1/3/1/3/131384286/gudapov_sajelulalarola.pdfIn PDF document text
- http://files.americanrugger.com/uploads/1/3/0/9/130969967/6506060.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/1/0431/7233/1675/files/valumavurozapoxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7275/7670/files/61743162120.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/4082/8566/files/html_template_engine_java.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6784/1443/files/mugewujaxanida.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0794/0520/files/45911749764.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2782/3778/files/sopunajedanedi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9733/3664/files/rajebajugobavake.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0294/3899/files/kidokimunugeki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/4427/8170/files/curso_de_numerologia_tantrica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2801/2456/files/symantec_dlp_admin_guide_15._5.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6116/5723/files/jaluk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8510/3258/files/vibugaxiroxepudunit.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_off00006518.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6518 | 5260 bytes |
SHA-256: b93f4433b7411a4b0da7455fa45f871dcc45d6aab3292e20b6c888f81571ae82 |
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font_01_sfnt_off000076f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76F1 | 10216 bytes |
SHA-256: eefc523c4cc2c2655c9dc1b7889afb9478360f395f661d1c1746bad7c16038d1 |
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