MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the text 'Crackle apk hack' and a URL that matches the malicious redirector. This suggests the document is designed to trick users into clicking the link, likely leading to malware download or further phishing attempts.
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=crackle+apk+hack In PDF document text
- http://files.mylifeasmigrainegirl.com/uploads/1/3/1/4/131406701/64dfc4eeae.pdfIn PDF document text
- http://pipepib.jcprhac.org/uploads/1/3/2/7/132740900/jezudaxivi-tefatu-vumod-bevuji.pdfIn PDF document text
- http://xesoximuf.btefit.com/uploads/1/3/1/4/131437425/buzexoxe.pdfIn PDF document text
- http://setozit.blueoxtimberworks.com/uploads/1/3/0/9/130969808/1603502.pdfIn PDF document text
- http://files.nod-production.de/uploads/1/3/0/7/130776118/3864674.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.indictrans.orgIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1141/5962/files/latex_less_than_or_equal_to.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/2708/3943/files/untrusted_server_certificate_android_studio.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2977/3982/files/restorative_potion_classic_wow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4555/2277/files/dutuvi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7284/0090/files/aicpa_audit_guide_audit_sampling.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4755/0119/files/suicide_boys_discography.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3859/5482/files/kopelera.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5729/9099/files/banting_diet_eating_plan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1126/7990/files/97207110071.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6630/8246/files/xabofu.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006535.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6535 | 4812 bytes |
SHA-256: 8cfbc941cd942a4785b5a0e697c9dc5c42259cc7aebb41354a0e787dc564f7aa |
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font_01_sfnt_off00007580.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7580 | 3704 bytes |
SHA-256: a30997c041d95837dfd0be30c46fc1d437a007cbdc2ffbe0c6afad36a5542666 |
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font_02_sfnt_off000080b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80B1 | 10128 bytes |
SHA-256: 43ba87dba39f0ce185e4d27e87b295880b2021d967f642dd5327a8b54f22cb28 |
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