MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of external links, many of which point to seemingly unrelated PDF files hosted on various domains. This behavior is indicative of a link farm or a mechanism to distribute malicious content. The document body, though partially corrupted, contains text related to a 'Datasheet of diode 1n5819', which is likely a lure to disguise the malicious intent of directing users to these external resources. No scripts were extracted, but the extensive use of external links suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
Heuristics 4
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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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External URI info PDF_URIPDF contains an external URL action
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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 http://smartlivingyou.org/uploads/1/3/0/5/130541186/130541186.html#datasheet+of+diode+1n5819 PDF link annotation
- http://reliancevolunteerinterchange.com/uploads/1/3/0/9/130969931/wituzo.pdfIn PDF document text
- http://crawford4chatham.com/uploads/1/3/0/5/130588865/6871129.pdfIn PDF document text
- http://chelseahadd.com/uploads/1/3/0/4/130483052/8833849.pdfIn PDF document text
- http://fortobello.com/uploads/1/3/0/7/130775108/romukoloxid-jinojasusogo.pdfIn PDF document text
- http://aucoingourmand.net/uploads/1/3/0/4/130435875/4898404.pdfIn PDF document text
- http://cesuparatsunt.com/uploads/1/3/1/3/131398372/zirinukujon_labutezeru_vetedivazufupif.pdfIn PDF document text
- http://mmg-associates.com/uploads/1/3/0/6/130640128/tunomu.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://www.adobe.com/).NotoIn PDF document text
- http://www.google.com/get/noto/http://www.adobe.com/type/ThisIn PDF document text
- http://scripts.sil.org/OFLNotoIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
🗂 Part of campaign:
excelappdevelopment.com
12 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E9A | 8116 bytes |
SHA-256: b6f3bc77693759d158b2cd554eea38d9ec4a2d900bcbd2c5c1c415c2cd6e6e30 |
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font_01_sfnt_off00007c6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C6A | 5532 bytes |
SHA-256: c9f2766864d727e1393aa645f689f1e349cca9ca80d00af93de57b1bbf7dc8a8 |
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font_02_sfnt_off00008e6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E6F | 16384 bytes |
SHA-256: 76d0edce5bdb93a691a0309c49e7369480f5d97eef5486ab960fc16df6d92a06 |
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